{"title":"Ramjet Exhausts","description":"\u003cp\u003e\u003cstrong\u003eRamjet Performance exhaust systems and headers\u003c\/strong\u003e — designed, engineered and tested in-house in Melbourne, Australia. Ramjet builds dyno- and track-proven exhaust systems for Australian and American V8 muscle, including the \u003cstrong\u003eHolden VE \u0026amp; VF Commodore (LS V8)\u003c\/strong\u003e, \u003cstrong\u003eFord Mustang GT (5.0L Coyote)\u003c\/strong\u003e and \u003cstrong\u003eDodge Ram 1500 (5.7L HEMI)\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe range covers full header-back exhaust systems, equal-length long-tube headers, triple- and double-stepped headers, high-flow catalytic converters and cat-back systems — all built from premium 304 stainless steel. Ramjet headers are known for best-in-class fitment and ground clearance, quality welds and a deep, refined V8 note without harsh rasp or drone.\u003c\/p\u003e\u003cp\u003eRamjet currently holds the Australian record for the fastest full-weight, bolt-on-only Ford Mustang over the ¼ mile. Every system is a direct bolt-on with the hardware you need, and the team that designs and builds these parts is on hand to help with fitment. Browse by vehicle below, or call +61 452 071 148 for build advice.\u003c\/p\u003e","products":[{"product_id":"ramjet-triple-stepped-headers-cats-ve-vf","title":"Ramjet Triple Stepped Headers \u0026 Cats VE-VF","description":"\u003cp\u003eThe \u003cstrong\u003eRamjet REX Triple-Stepped Headers \u0026amp; Cats for the Holden VE \u0026amp; VF Commodore V8\u003c\/strong\u003e deliver true long-tube, equal-length performance in a compact footprint that retains factory ground clearance. The triple-step primary design (1¾\" → 1⅞\" → 2\") maintains exhaust airspeed for stronger torque and instant throttle response, and bolts straight to any factory-location cat-back — no custom fabrication or O2 extensions needed. Built from 304 stainless steel with race-merge collectors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🏷 Available for pre-order\u003c\/strong\u003e — order now to lock in the next production batch; call us for the latest dispatch ETA.\u003c\/p\u003e\n\u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e All Holden VE \u0026amp; VF V8 Commodore models, including supercharged HSV variants with factory oil coolers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem type:\u003c\/strong\u003e Long-tube headers + high-flow cats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary design:\u003c\/strong\u003e Triple-stepped, equal-length 1¾\" → 1⅞\" → 2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe size:\u003c\/strong\u003e 2.5\" or 3\" (select at checkout)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat options:\u003c\/strong\u003e 100-cell metal core or 400-cell ceramic core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 stainless steel with CNC-cut, CAD-modelled flange plates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Direct bolt-on; retains factory ground clearance; works with all factory-outlet cat-backs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLong-Tube Power, No Ground Clearance Compromise\u003c\/h4\u003e\n\u003cp\u003eGM Motorsport reworked what a performance header can be. The REX design delivers true long-tube, equal-length performance while still fitting a compact space — and the rear primaries are longer than anything currently available, giving a unique edge in exhaust flow and power delivery. Experience all the gains of a long-tube header without the usual headaches: serious power and throttle response, clean install with factory ground clearance, no custom cat-back required, race-merge collectors and 304 stainless construction.\u003c\/p\u003e\n\u003ch4\u003eKey Features \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple-step primary design (1¾\" → 1⅞\" → 2\")\u003c\/strong\u003e — maintains airspeed for stronger torque and instant throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits every VE \u0026amp; VF V8 Commodore\u003c\/strong\u003e — including supercharged HSV variants running factory oil coolers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqual-length “spaghetti” concept\u003c\/strong\u003e — near-perfect equal lengths for optimal scavenging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-tube power in a compact footprint\u003c\/strong\u003e — true long-header primary length without O2 extension or clearance issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-cut, CAD-modelled flange plates\u003c\/strong\u003e — exact port alignment for improved flow and sealing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLongest primary lengths available for cylinders 7 \u0026amp; 8\u003c\/strong\u003e — ideal for extracting maximum power under high load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with all existing factory-outlet cat-backs\u003c\/strong\u003e — no custom fabrication required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuits mild street to high-boost builds\u003c\/strong\u003e — naturally aspirated or forced-induction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace-merge collectors\u003c\/strong\u003e \u0026amp; premium 304 stainless finish for clean fitment and appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eRecommended Cat-Back Pairings (XForce, factory outlet)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSedan \u0026amp; Wagon, 2.5\": XForce twin 2.5\" cat-back\u003c\/li\u003e\n\u003cli\u003eSedan \u0026amp; Wagon, 3.0\": XForce twin 3.0\" cat-back\u003c\/li\u003e\n\u003cli\u003eUte, 2.5\": XForce stainless twin 2.5\" cat-back\u003c\/li\u003e\n\u003cli\u003eUte, 3.0\": XForce stainless twin 3.0\" cat-back\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAny cat-back that begins from the factory outlet will bolt directly to the REX Headers \u0026amp; Cats — no modifications needed.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWill these fit my VE or VF?\u003c\/strong\u003e Yes — they fit every VE \u0026amp; VF V8 Commodore, including supercharged HSV variants running factory oil coolers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a custom cat-back?\u003c\/strong\u003e No. They bolt straight onto any factory-location cat-back, including XForce twin 2.5\" and 3.0\" systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill I lose ground clearance?\u003c\/strong\u003e No — the triple-step design achieves true long-tube primary length while retaining factory ground clearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMetal or ceramic cats?\u003c\/strong\u003e 100-cell metal core suits most builds; 400-cell ceramic core is also available. Both are high-flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long is the pre-order wait?\u003c\/strong\u003e Dispatch ETA depends on the current production batch — call us on the numbers below for the latest timing.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"Ramjet REX Triple Stepped Headers\" src=\"https:\/\/www.youtube.com\/embed\/81AVnQ1PrgY?si=ZGlP8l0F4rrqe2Xp\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #e0e0e0;border-radius:8px;padding:14px 16px;margin:18px 0 0;font-size:14px;line-height:1.7\"\u003e💳 \u003cstrong\u003ePay in 4 with Afterpay\u003c\/strong\u003e — 4 interest-free instalments at checkout (eligible orders)\u003cbr\u003e🚚 \u003cstrong\u003eShipping\u003c\/strong\u003e calculated at checkout — ships Australia-wide \u0026amp; worldwide\u003cbr\u003e↩️ \u003cstrong\u003e7-day returns\u003c\/strong\u003e on unopened items\u003cbr\u003e📞 \u003cstrong\u003eNot sure if it fits?\u003c\/strong\u003e Call \u003ca href=\"tel:+61452071148\"\u003e+61 452 071 148\u003c\/a\u003e or \u003ca href=\"tel:+61397466656\"\u003e(03) 9746 6656\u003c\/a\u003e — talk to the team who builds these.\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will these fit my VE or VF?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes - they fit every VE \u0026 VF V8 Commodore, including supercharged HSV variants running factory oil coolers.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a custom cat-back?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. They bolt straight onto any factory-location cat-back, including XForce twin 2.5 inch and 3.0 inch systems.\"}},{\"@type\":\"Question\",\"name\":\"Will I lose ground clearance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No - the triple-step design achieves true long-tube primary length while retaining factory ground clearance.\"}},{\"@type\":\"Question\",\"name\":\"Metal or ceramic cats?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"100-cell metal core suits most builds; 400-cell ceramic core is also available. Both are high-flow.\"}},{\"@type\":\"Question\",\"name\":\"How long is the pre-order wait?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Dispatch ETA depends on the current production batch - call us for the latest timing.\"}}]}\u003c\/script\u003e","brand":"Ramjet Performance Parts","offers":[{"title":"2.5\" \/ Metal","offer_id":51108919279937,"sku":null,"price":1790.0,"currency_code":"AUD","in_stock":true},{"title":"2.5\" \/ Ceramic","offer_id":51108919312705,"sku":null,"price":1890.0,"currency_code":"AUD","in_stock":true},{"title":"3\" +($100) \/ Metal","offer_id":51108919345473,"sku":null,"price":1890.0,"currency_code":"AUD","in_stock":true},{"title":"3\" +($100) \/ Ceramic","offer_id":51108919378241,"sku":null,"price":1990.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2805\/7153\/files\/HEADERS__88032_1.jpg?v=1765263253"},{"product_id":"ram-1500-5-7l-2012-2023-full-exhaust-system","title":"Ramjet Full Exhaust System Ram 1500 5.7L 2012-2023","description":"\u003cp\u003eThe \u003cstrong\u003eRamjet Full Exhaust System for the Dodge Ram 1500 5.7L HEMI V8 (2012–2023, Classic \u0026amp; Limited)\u003c\/strong\u003e is a complete, dyno-proven performance exhaust. It pairs the longest Tri-Y header design available for the Ram 1500 with double-stepped primaries (1¾\" → 1⅞\"), an integrated X-pipe centre muffler and a race crossover merge to deliver big mid-range torque, sharper throttle response and a deep, aggressive V8 note. Sound is fully selectable: Quiet, Medium or Loud.\u003c\/p\u003e\n\u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Dodge Ram 1500 5.7L HEMI V8 — 2012–2023 (Classic \u0026amp; Limited)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem type:\u003c\/strong\u003e Full exhaust system (header-back)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader design:\u003c\/strong\u003e Tri-Y, double-stepped primaries 1¾\" → 1⅞\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentre section:\u003c\/strong\u003e Integrated X-pipe centre muffler + race crossover merge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Full polished 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound options:\u003c\/strong\u003e Quiet, Medium or Loud (interchangeable sound sections)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Direct bolt-on\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEngineered for Power\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eTri-Y header design\u003c\/strong\u003e — the longest Tri-Y system available for the Ram 1500, delivering massive mid-range torque while retaining the hard-charging top-end of a 4-1 design. \u003cstrong\u003eDouble-stepped primaries\u003c\/strong\u003e step from 1¾\" to 1⅞\" to maintain exhaust velocity, enhance scavenging and produce strong torque and horsepower gains across the entire rev range. The \u003cstrong\u003eintegrated X-pipe centre muffler\u003c\/strong\u003e balances exhaust pulses, improves flow efficiency, reduces drone and creates a smoother, more aggressive note, while the \u003cstrong\u003erace crossover merge\u003c\/strong\u003e refines pulse balance for sharper throttle response.\u003c\/p\u003e\n\u003ch4\u003eTune the Sound to Your Style\u003c\/h4\u003e\n\u003cp\u003eInterchangeable sound sections let you choose Quiet, Medium or Loud configurations to suit daily driving, towing or full race aggression — all without compromising performance.\u003c\/p\u003e\n\u003ch4\u003eBuilt to Last\u003c\/h4\u003e\n\u003cp\u003eFull high-grade polished stainless steel construction throughout — no rust, no coatings, no compromises. Developed using the same design principles proven in V8 Supercars and NASCAR, the Ramjet system delivers faster throttle response, stronger low- and mid-range torque, improved engine efficiency and a deep, aggressive exhaust note that sounds as serious as it performs.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my Ram 1500?\u003c\/strong\u003e Yes — it suits the Dodge Ram 1500 5.7L HEMI V8 from 2012–2023 in both Classic (DS) and Limited (DT) body styles. Select your model at checkout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow loud is it?\u003c\/strong\u003e You choose — Quiet, Medium or Loud interchangeable sound sections, all without compromising performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it drone when cruising or towing?\u003c\/strong\u003e The integrated X-pipe balances exhaust pulses to reduce drone; choose Quiet or Medium for the most refined highway cruise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it a bolt-on fit?\u003c\/strong\u003e Yes — it bolts on as a complete header-back package. All required hardware is included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a tune?\u003c\/strong\u003e It bolts on as supplied. A tune maximises the available gains but is not required for fitment.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #e0e0e0;border-radius:8px;padding:14px 16px;margin:18px 0 0;font-size:14px;line-height:1.7\"\u003e🚚 \u003cstrong\u003eShipping\u003c\/strong\u003e calculated at checkout — ships Australia-wide \u0026amp; worldwide\u003cbr\u003e↩️ \u003cstrong\u003e7-day returns\u003c\/strong\u003e on unopened items\u003cbr\u003e📞 \u003cstrong\u003eNot sure if it fits?\u003c\/strong\u003e Call \u003ca href=\"tel:+61452071148\"\u003e+61 452 071 148\u003c\/a\u003e or \u003ca href=\"tel:+61397466656\"\u003e(03) 9746 6656\u003c\/a\u003e — talk to the team who builds these.\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this fit my Ram 1500?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes - it suits the Dodge Ram 1500 5.7L HEMI V8 from 2012-2023 in both Classic (DS) and Limited (DT) body styles. Select your model at checkout.\"}},{\"@type\":\"Question\",\"name\":\"How loud is it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"You choose - Quiet, Medium or Loud interchangeable sound sections, all without compromising performance.\"}},{\"@type\":\"Question\",\"name\":\"Will it drone when cruising or towing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The integrated X-pipe balances exhaust pulses to reduce drone; choose Quiet or Medium for the most refined highway cruise.\"}},{\"@type\":\"Question\",\"name\":\"Is it a bolt-on fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes - it bolts on as a complete header-back package. All required hardware is included.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a tune?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It bolts on as supplied. A tune maximises the available gains but is not required for fitment.\"}}]}\u003c\/script\u003e","brand":"Ramjet Performance Parts","offers":[{"title":"Classic (DS) \/ Loud +($0)","offer_id":51614605836609,"sku":null,"price":4990.0,"currency_code":"AUD","in_stock":true},{"title":"Classic (DS) \/ Medium +($99)","offer_id":51614605803841,"sku":null,"price":5089.0,"currency_code":"AUD","in_stock":true},{"title":"Classic (DS) \/ Quiet +($149)","offer_id":51614605771073,"sku":null,"price":5139.0,"currency_code":"AUD","in_stock":true},{"title":"Limited (DT) \/ Loud +($0)","offer_id":51614605934913,"sku":null,"price":4990.0,"currency_code":"AUD","in_stock":true},{"title":"Limited (DT) \/ Medium +($99)","offer_id":51614605902145,"sku":null,"price":5089.0,"currency_code":"AUD","in_stock":true},{"title":"Limited (DT) \/ Quiet +($149)","offer_id":51614605869377,"sku":null,"price":5139.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2805\/7153\/files\/RAM_1500_Full_EXHAUST_SYSTEM.png?v=1770934198"},{"product_id":"ramjet-mustang-gt-headers-cats-2015-2024-double-step","title":"Ramjet Mustang GT Headers \u0026 Cats 2015-2024- Double Step","description":"\u003cp\u003eThe \u003cstrong\u003eRamjet Mustang GT Double-Stepped Headers \u0026amp; Cats\u003c\/strong\u003e are equal-length, long-tube headers paired with high-flow catalytic converters for the \u003cstrong\u003eFord Mustang GT 5.0L Coyote V8 (2015–2017 and 2018–2023)\u003c\/strong\u003e. The stepped primary design (1¾\" → 1⅞\") maximises exhaust gas velocity and flow for high-horsepower builds without sacrificing low-end torque or drivability, producing a sharp, exotic, race-car exhaust note. Made from premium 304 stainless steel and bolts directly to the factory cat-back.\u003c\/p\u003e\n\u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Ford Mustang GT 5.0L Coyote V8 — 2015–2017 \u0026amp; 2018–2023\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem type:\u003c\/strong\u003e Long-tube headers + high-flow cat section\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader design:\u003c\/strong\u003e Equal-length, double-stepped primaries 1¾\" → 1⅞\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat options:\u003c\/strong\u003e 100-cell metal, or 200-cell ceramic (forced-induction engines only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat-back compatibility:\u003c\/strong\u003e Standard OEM or 3\" aftermarket (select at checkout; connector pipes optional)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound:\u003c\/strong\u003e Sharp, harmonically balanced, exotic V8 tone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Bolts directly to factory cat-back; street-friendly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy Choose Equal-Length Stepped Headers?\u003c\/h4\u003e\n\u003cp\u003eEqual-length, tuned, stepped headers are engineered to extract maximum performance from the Mustang GT’s Coyote V8 by perfectly timing exhaust pulses. Each primary tube is precisely matched in length, allowing exhaust waves to synchronise so every cylinder helps scavenge the next — improving airflow efficiency and cylinder evacuation.\u003c\/p\u003e\n\u003cp\u003eThe stepped primary design maintains high exhaust gas velocity at low RPM for stronger torque and sharper throttle response, while opening up flow at higher RPM to support serious horsepower. The result is a broader powerband, faster engine response, and a crisp, harmonically balanced race-car exhaust note that unequal headers simply can’t replicate.\u003c\/p\u003e\n\u003ch4\u003eRace-Grade Build, Street-Friendly Versatility\u003c\/h4\u003e\n\u003cp\u003eDesigned for Mustang GT owners who demand uncompromising performance, Ramjet’s double-stepped long-tube headers build on our proven equal-length design with precision-stepped primaries transitioning from 1¾\" to 1⅞\", delivering maximum exhaust flow for high-horsepower builds without sacrificing low-end torque. Manufactured from premium 304 stainless steel with race-level precision, they unlock serious horsepower gains while producing a sharper, more exotic exhaust tone. Paired with Ramjet’s high-flow catalytic converters and optional connector pipes, this setup bolts directly to the factory cat-back — race-grade performance with street usability.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWill these fit my Mustang GT?\u003c\/strong\u003e Yes — they suit the Ford Mustang GT 5.0L Coyote V8 in both 2015–2017 and 2018–2023. Select your year and cat-back type at checkout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need connector pipes?\u003c\/strong\u003e It depends on your cat-back. Choose your setup (standard OEM or 3\" aftermarket) at checkout and connector-pipe options are presented to match.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I choose metal or ceramic cats?\u003c\/strong\u003e 100-cell metal cats suit most naturally aspirated builds. 200-cell ceramic cats are recommended for forced-induction (supercharged\/turbo) engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a tune?\u003c\/strong\u003e The headers and cats bolt on as supplied. A tune is recommended to realise the full power gain but is not required for fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre they road legal?\u003c\/strong\u003e High-flow catalytic converters retain street usability. Emissions rules vary by state, so check your local requirements.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #e0e0e0;border-radius:8px;padding:14px 16px;margin:18px 0 0;font-size:14px;line-height:1.7\"\u003e💳 \u003cstrong\u003ePay in 4 with Afterpay\u003c\/strong\u003e — 4 interest-free instalments at checkout (eligible orders)\u003cbr\u003e🚚 \u003cstrong\u003eShipping\u003c\/strong\u003e calculated at checkout — ships Australia-wide \u0026amp; worldwide\u003cbr\u003e↩️ \u003cstrong\u003e7-day returns\u003c\/strong\u003e on unopened items\u003cbr\u003e📞 \u003cstrong\u003eNot sure if it fits?\u003c\/strong\u003e Call \u003ca href=\"tel:+61452071148\"\u003e+61 452 071 148\u003c\/a\u003e or \u003ca href=\"tel:+61397466656\"\u003e(03) 9746 6656\u003c\/a\u003e — talk to the team who builds these.\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will these fit my Mustang GT?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes - they suit the Ford Mustang GT 5.0L Coyote V8 in both 2015-2017 and 2018-2023. Select your year and cat-back type at checkout.\"}},{\"@type\":\"Question\",\"name\":\"Do I need connector pipes?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It depends on your cat-back. Choose your setup (standard OEM or 3 inch aftermarket) at checkout and connector-pipe options are presented to match.\"}},{\"@type\":\"Question\",\"name\":\"Should I choose metal or ceramic cats?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"100-cell metal cats suit most naturally aspirated builds. 200-cell ceramic cats are recommended for forced-induction (supercharged or turbo) engines.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a tune?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The headers and cats bolt on as supplied. A tune is recommended to realise the full power gain but is not required for fitment.\"}},{\"@type\":\"Question\",\"name\":\"Are they road legal?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-flow catalytic converters retain street usability. Emissions rules vary by state, so check your local requirements.\"}}]}\u003c\/script\u003e","brand":"Ramjet Performance Parts","offers":[{"title":"No ( I already have) \/ 100 Cell Metal \/ Standard OEM","offer_id":51705429164353,"sku":null,"price":1798.0,"currency_code":"AUD","in_stock":true},{"title":"No ( I already have) \/ 100 Cell Metal \/ 3 Inch Aftermarket","offer_id":51728908910913,"sku":null,"price":1798.0,"currency_code":"AUD","in_stock":false},{"title":"No ( I already have) \/ 200 Cell Ceramic (Forced Induction Engines Only) +($99) \/ Standard OEM","offer_id":51705429197121,"sku":null,"price":1897.0,"currency_code":"AUD","in_stock":true},{"title":"No ( I already have) \/ 200 Cell Ceramic (Forced Induction Engines Only) +($99) \/ 3 Inch Aftermarket","offer_id":51728908943681,"sku":null,"price":1897.0,"currency_code":"AUD","in_stock":false},{"title":"YES 2015-2017 +($176) \/ 100 Cell Metal \/ Standard OEM","offer_id":51609807225153,"sku":null,"price":1974.0,"currency_code":"AUD","in_stock":true},{"title":"YES 2015-2017 +($176) \/ 100 Cell Metal \/ 3 Inch Aftermarket","offer_id":51728908976449,"sku":null,"price":1974.0,"currency_code":"AUD","in_stock":false},{"title":"YES 2015-2017 +($176) \/ 200 Cell Ceramic (Forced Induction Engines Only) +($99) \/ Standard OEM","offer_id":51609807257921,"sku":null,"price":2073.0,"currency_code":"AUD","in_stock":true},{"title":"YES 2015-2017 +($176) \/ 200 Cell Ceramic (Forced Induction Engines Only) +($99) \/ 3 Inch Aftermarket","offer_id":51728909009217,"sku":null,"price":2073.0,"currency_code":"AUD","in_stock":false},{"title":"YES 2018-2023 +($176) \/ 100 Cell Metal \/ Standard OEM","offer_id":51609807356225,"sku":null,"price":1974.0,"currency_code":"AUD","in_stock":true},{"title":"YES 2018-2023 +($176) \/ 100 Cell Metal \/ 3 Inch Aftermarket","offer_id":51728909041985,"sku":null,"price":1974.0,"currency_code":"AUD","in_stock":false},{"title":"YES 2018-2023 +($176) \/ 200 Cell Ceramic (Forced Induction Engines Only) +($99) \/ Standard OEM","offer_id":51609807388993,"sku":null,"price":2073.0,"currency_code":"AUD","in_stock":true},{"title":"YES 2018-2023 +($176) \/ 200 Cell Ceramic (Forced Induction Engines Only) +($99) \/ 3 Inch Aftermarket","offer_id":51728909074753,"sku":null,"price":2073.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2805\/7153\/files\/MUSTANG_HEADERS_CATS.jpg?v=1770934016"},{"product_id":"ramjet-1-3-4-headers-cats-ve-vf","title":"Ramjet 1 3\/4\" Headers \u0026 Cats VE-VF","description":"\u003cp\u003eThe \u003cstrong\u003eRamjet 1¾\" Headers \u0026amp; Cats for the Holden VE \u0026amp; VF Commodore LS V8\u003c\/strong\u003e is a direct bolt-on header and high-flow cat package, designed and tested in Australia. 1¾\" mandrel-bent equal-length primaries and high-flow catalytic converters free up real horsepower, torque and throttle response while staying streetable — the ideal base for camshaft or head-and-cam packages. Suits LS1, LS2, LS3, L77 and LSA engines.\u003c\/p\u003e\n\u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Holden VE \u0026amp; VF Commodore LS V8 (LS1, LS2, LS3, L77, LSA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem type:\u003c\/strong\u003e Long-tube headers + high-flow cats (engine-pipe back to cats)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary tubes:\u003c\/strong\u003e 1¾\" mandrel-bent, equal-length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe size:\u003c\/strong\u003e 2.5\" standard or 3\" (select at checkout)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat options:\u003c\/strong\u003e 100-cell metal or 400-cell ceramic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Direct bolt-on to factory mounts — no cutting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBuilt for Holden VE \u0026amp; VF LS Engines\u003c\/h4\u003e\n\u003cp\u003eWhether you’re running an LS1, LS2, LS3, L77 or LSA, these headers are engineered to get the most out of your V8 — the perfect base for camshaft upgrades, head \u0026amp; cam packages, and tough naturally aspirated street cars.\u003c\/p\u003e\n\u003ch4\u003eKey Features \u0026amp; Benefits\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e1¾\" mandrel-bent primary tubes\u003c\/strong\u003e dialled in for VE \u0026amp; VF LS engines to balance grunt down low with strong pull up top. \u003cstrong\u003eHigh-flow performance catalytic converters\u003c\/strong\u003e flow better than factory while staying streetable, reducing backpressure and freeing real power. The \u003cstrong\u003eequal-length design\u003c\/strong\u003e improves cylinder evacuation and throttle response and delivers that crisp Aussie V8 note. \u003cstrong\u003ePremium stainless steel construction\u003c\/strong\u003e handles Aussie conditions with excellent heat resistance and durability, and the \u003cstrong\u003edirect bolt-on fit\u003c\/strong\u003e uses factory mounts — no cutting required.\u003c\/p\u003e\n\u003ch4\u003eWhy Choose Ramjet?\u003c\/h4\u003e\n\u003cp\u003eRamjet headers are developed right here in Australia for Australian cars, roads and driving styles — tested on real Holdens, not just on a screen. This isn’t just about making your car louder; it’s a proper performance exhaust solution for Holden VE \u0026amp; VF V8s, built to make your car faster, sharper and more aggressive.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWill these fit my VE or VF Commodore?\u003c\/strong\u003e Yes — they bolt straight onto Holden VE \u0026amp; VF Commodore LS V8s using the factory mounts, with no cutting required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich engines are supported?\u003c\/strong\u003e LS1, LS2, LS3, L77 and LSA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I choose 2.5\" or 3\"?\u003c\/strong\u003e 2.5\" suits most street and mild-cam builds; 3\" suits bigger head-and-cam or higher-output combinations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMetal or ceramic cats?\u003c\/strong\u003e 100-cell metal suits most naturally aspirated builds; 400-cell ceramic offers extra heat retention. Both are high-flow and streetable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a tune?\u003c\/strong\u003e A tune is recommended to realise the full gains, but is not required for fitment.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #e0e0e0;border-radius:8px;padding:14px 16px;margin:18px 0 0;font-size:14px;line-height:1.7\"\u003e💳 \u003cstrong\u003ePay in 4 with Afterpay\u003c\/strong\u003e — 4 interest-free instalments at checkout (eligible orders)\u003cbr\u003e🚚 \u003cstrong\u003eShipping\u003c\/strong\u003e calculated at checkout — ships Australia-wide \u0026amp; worldwide\u003cbr\u003e↩️ \u003cstrong\u003e7-day returns\u003c\/strong\u003e on unopened items\u003cbr\u003e📞 \u003cstrong\u003eNot sure if it fits?\u003c\/strong\u003e Call \u003ca href=\"tel:+61452071148\"\u003e+61 452 071 148\u003c\/a\u003e or \u003ca href=\"tel:+61397466656\"\u003e(03) 9746 6656\u003c\/a\u003e — talk to the team who builds these.\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will these fit my VE or VF Commodore?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes - they bolt straight onto Holden VE \u0026 VF Commodore LS V8s using the factory mounts, with no cutting required.\"}},{\"@type\":\"Question\",\"name\":\"Which engines are supported?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LS1, LS2, LS3, L77 and LSA.\"}},{\"@type\":\"Question\",\"name\":\"Should I choose 2.5 inch or 3 inch?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"2.5 inch suits most street and mild-cam builds; 3 inch suits bigger head-and-cam or higher-output combinations.\"}},{\"@type\":\"Question\",\"name\":\"Metal or ceramic cats?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"100-cell metal suits most naturally aspirated builds; 400-cell ceramic offers extra heat retention. Both are high-flow and streetable.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a tune?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A tune is recommended to realise the full gains, but is not required for fitment.\"}}]}\u003c\/script\u003e","brand":"Ramjet Performance Parts","offers":[{"title":"2.5\" (Standard) \/ Metal 100 Cell","offer_id":51609791988033,"sku":null,"price":990.0,"currency_code":"AUD","in_stock":true},{"title":"2.5\" (Standard) \/ Ceramic 400 Cell","offer_id":51609792020801,"sku":null,"price":990.0,"currency_code":"AUD","in_stock":true},{"title":"3\" +($99) \/ Metal 100 Cell","offer_id":51609792053569,"sku":null,"price":1090.0,"currency_code":"AUD","in_stock":false},{"title":"3\" +($99) \/ Ceramic 400 Cell","offer_id":51609792086337,"sku":null,"price":1090.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2805\/7153\/files\/RAMJET_1_3_4_HEADERS_CATS.png?v=1770933612"},{"product_id":"ramjet-mustang-gt-full-exhaust-system","title":"Ramjet Mustang GT Full Exhaust System","description":"\u003cp\u003e\u003cstrong\u003eThe Ramjet Mustang GT Full Exhaust System\u003c\/strong\u003e is a complete, bolt-on header-back exhaust for the \u003cstrong\u003eFord Mustang GT 5.0L Coyote V8 (2015–2017 and 2018–2023)\u003c\/strong\u003e. It combines equal-length long-tube headers, 100-cell high-flow catalytic converters, connector pipes, centre pipes and rear mufflers to deliver maximum horsepower and a deep, refined V8 note with no rasp or drone. Ramjet holds the Australian record for the fastest full-weight, bolt-on-only Ford Mustang over the ¼ mile.\u003c\/p\u003e\n\u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Ford Mustang GT 5.0L Coyote V8 — 2015–2017 \u0026amp; 2018–2023\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem type:\u003c\/strong\u003e Full (header-back) exhaust system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeaders:\u003c\/strong\u003e Equal-length long-tube, 1¾\" — optional double-stepped 1¾\"→1⅞\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalytic converters:\u003c\/strong\u003e 100-cell high-flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound:\u003c\/strong\u003e Deep, aggressive V8 tone — no rasp, no drone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Headers, high-flow cats, connector pipes, hot-dog centre pipes, rear mufflers, gaskets and bolts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Direct bolt-on, no modifications required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEngineered Headers \u0026amp; High-Flow Cats\u003c\/h4\u003e\n\u003cp\u003eThe system begins with precision-engineered Ramjet headers featuring equal-length primaries to ensure correct exhaust pulse timing and optimal cylinder scavenging. This improves exhaust velocity, torque delivery, and overall engine efficiency. Each system includes race merge collectors for superior scavenging and 100-cell high-flow catalytic converters for maximum flow while maintaining street usability.\u003c\/p\u003e\n\u003cp\u003eFor serious performance builds, an optional upgrade to Ramjet Double-Stepped Headers is available. The double-step design increases exhaust gas velocity across the RPM range, delivering increased horsepower and torque, stronger mid-range acceleration, and a smoother, more refined exhaust note.\u003c\/p\u003e\n\u003ch4\u003eRefined Mustang V8 Sound – No Rasp, No Drone\u003c\/h4\u003e\n\u003cp\u003eThe Ramjet cat-back section is designed to produce a deep, aggressive yet refined V8 tone that sets it apart from other Mustang exhaust systems on the market. Unlike overly loud or raspy systems, it delivers a clean, deep V8 note with no harsh rasp and no obnoxious drone — a sound that gets compliments everywhere you drive, powerful without being tiring on the street.\u003c\/p\u003e\n\u003ch4\u003eProven Power \u0026amp; Record-Setting Performance\u003c\/h4\u003e\n\u003cp\u003eThe Ramjet Full Exhaust System is dyno-tested and track-tested, delivering proven power gains over competing systems — especially when paired with the double-stepped headers. Ramjet currently holds the Australian record for the fastest full-weight, bolt-on-only Ford Mustang down the ¼ mile. This isn’t marketing hype — it’s measured, proven performance.\u003c\/p\u003e\n\u003ch4\u003eWhat’s Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRamjet Headers\u003c\/li\u003e\n\u003cli\u003eRamjet High-Flow Cats\u003c\/li\u003e\n\u003cli\u003eRamjet Connector Pipes\u003c\/li\u003e\n\u003cli\u003eRamjet Hot Dog Centre Pipes\u003c\/li\u003e\n\u003cli\u003eRamjet Rear Mufflers\u003c\/li\u003e\n\u003cli\u003eAll required gaskets and bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Header gaskets are not supplied. We recommend re-using the factory gasket with RTV silicone for best sealing results.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my Mustang GT?\u003c\/strong\u003e Yes — it fits the Ford Mustang GT 5.0L Coyote V8 in both 2015–2017 and 2018–2023 model years. Select your year at checkout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a complete exhaust system?\u003c\/strong\u003e Yes. It is a full header-back package — headers, high-flow cats, connector pipes, centre pipes and rear mufflers — everything needed to bolt on.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it drone on the highway?\u003c\/strong\u003e No. The cat-back is tuned for a deep, refined V8 note without harsh rasp or cabin drone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a tune?\u003c\/strong\u003e The system bolts straight on. To extract maximum power from the headers and high-flow cats, a tune is recommended but not required for fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power gains can I expect?\u003c\/strong\u003e Gains depend on your engine build and tune. This is a dyno- and track-proven system that holds an Australian ¼-mile record for bolt-on-only Mustangs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it road legal?\u003c\/strong\u003e It uses high-flow catalytic converters to retain street usability. Emissions rules vary by state, so check your local requirements.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #e0e0e0;border-radius:8px;padding:14px 16px;margin:18px 0 0;font-size:14px;line-height:1.7\"\u003e🚚 \u003cstrong\u003eShipping\u003c\/strong\u003e calculated at checkout — ships Australia-wide \u0026amp; worldwide\u003cbr\u003e↩️ \u003cstrong\u003e7-day returns\u003c\/strong\u003e on unopened items\u003cbr\u003e📞 \u003cstrong\u003eNot sure if it fits?\u003c\/strong\u003e Call \u003ca href=\"tel:+61452071148\"\u003e+61 452 071 148\u003c\/a\u003e or \u003ca href=\"tel:+61397466656\"\u003e(03) 9746 6656\u003c\/a\u003e — talk to the team who builds these.\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this fit my Mustang GT?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes - it fits the Ford Mustang GT 5.0L Coyote V8 in both 2015-2017 and 2018-2023 model years. Select your year at checkout.\"}},{\"@type\":\"Question\",\"name\":\"Is this a complete exhaust system?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It is a full header-back package - headers, high-flow cats, connector pipes, centre pipes and rear mufflers - everything needed to bolt on.\"}},{\"@type\":\"Question\",\"name\":\"Will it drone on the highway?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The cat-back is tuned for a deep, refined V8 note without harsh rasp or cabin drone.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a tune?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The system bolts straight on. To extract maximum power from the headers and high-flow cats, a tune is recommended but not required for fitment.\"}},{\"@type\":\"Question\",\"name\":\"What power gains can I expect?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Gains depend on your engine build and tune. This is a dyno- and track-proven system that holds an Australian quarter-mile record for bolt-on-only Mustangs.\"}},{\"@type\":\"Question\",\"name\":\"Is it road legal?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It uses high-flow catalytic converters to retain street usability. Emissions rules vary by state, so check your local requirements.\"}}]}\u003c\/script\u003e","brand":"Ramjet Performance Parts","offers":[{"title":"2015-2017 \/ No I Will Get My Own \/ 1-3\/4 Headers =($0)","offer_id":51608867045697,"sku":null,"price":3499.0,"currency_code":"AUD","in_stock":true},{"title":"2015-2017 \/ No I Will Get My Own \/ Double Step 1 7-8 Headers (+$150)","offer_id":51608867078465,"sku":null,"price":3649.0,"currency_code":"AUD","in_stock":true},{"title":"2015-2017 \/ Yes: ($176) \/ 1-3\/4 Headers =($0)","offer_id":51608867111233,"sku":null,"price":3575.0,"currency_code":"AUD","in_stock":true},{"title":"2015-2017 \/ Yes: ($176) \/ Double Step 1 7-8 Headers (+$150)","offer_id":51608867144001,"sku":null,"price":3825.0,"currency_code":"AUD","in_stock":true},{"title":"2018-2023 \/ No I Will Get My Own \/ 1-3\/4 Headers =($0)","offer_id":51608867176769,"sku":null,"price":3499.0,"currency_code":"AUD","in_stock":true},{"title":"2018-2023 \/ No I Will Get My Own \/ Double Step 1 7-8 Headers (+$150)","offer_id":51608867209537,"sku":null,"price":3649.0,"currency_code":"AUD","in_stock":true},{"title":"2018-2023 \/ Yes: ($176) \/ 1-3\/4 Headers =($0)","offer_id":51608867242305,"sku":null,"price":3675.0,"currency_code":"AUD","in_stock":true},{"title":"2018-2023 \/ Yes: ($176) \/ Double Step 1 7-8 Headers (+$150)","offer_id":51608867275073,"sku":null,"price":3825.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2805\/7153\/files\/MustangfullEXH.jpg?v=1769639579"},{"product_id":"ramjet-catback-exhaust-ram-1500-5-7l-2012-2023","title":"Ramjet Catback Exhaust Ram 1500 5.7L 2012-2023","description":"\u003cp\u003eThe \u003cstrong\u003eRamjet Cat-Back Exhaust System for the Dodge Ram 1500 5.7L HEMI V8 (2012–2023, Classic \u0026amp; Limited)\u003c\/strong\u003e is a true bolt-on performance upgrade in premium 304 stainless steel. An integrated X-pipe centre muffler improves exhaust scavenging and flow for a deeper, aggressive yet refined V8 note, with gains in horsepower, torque and throttle response — and no cutting, welding or hoist required.\u003c\/p\u003e\n\u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Dodge Ram 1500 5.7L HEMI V8 — 2012–2023 (Classic \u0026amp; Limited)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem type:\u003c\/strong\u003e Cat-back exhaust system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentre section:\u003c\/strong\u003e Integrated X-pipe centre muffler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium 304 stainless steel, polished factory-style finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound options:\u003c\/strong\u003e Loud, or Quiet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e All bolts, gaskets and hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e True bolt-on, DIY friendly, no hoist required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePerformance \u0026amp; Sound\u003c\/h4\u003e\n\u003cp\u003eEngineered specifically for the Dodge Ram, this cat-back reduces backpressure and improves exhaust flow for noticeable gains in horsepower, torque, throttle response and fuel efficiency. The integrated X-pipe centre muffler enhances scavenging while producing a rich, aggressive V8 note that sounds powerful yet refined. Crafted from 304 stainless steel for outstanding corrosion resistance and long-lasting durability, with a polished, OEM+ appearance.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePremium 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eHigh-flow X-pipe centre muffler for better scavenging and performance\u003c\/li\u003e\n\u003cli\u003eTwo tunable sound levels — refined or aggressive\u003c\/li\u003e\n\u003cli\u003eTrue bolt-on design, DIY friendly, no hoist required\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary hardware, bolts and gaskets\u003c\/li\u003e\n\u003cli\u003eImproved horsepower, torque and throttle response\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my Ram 1500?\u003c\/strong\u003e Yes — it suits the Dodge Ram 1500 5.7L HEMI V8 from 2012–2023 in both Classic (DS) and Limited (DT) body styles. Select your model at checkout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I fit it myself?\u003c\/strong\u003e Yes. It is a true bolt-on cat-back — no cutting, welding or hoist required, and all hardware is included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow loud is it?\u003c\/strong\u003e Choose the Loud or Quiet configuration. The integrated X-pipe keeps the tone aggressive yet refined and helps reduce drone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it add power?\u003c\/strong\u003e Reducing backpressure and improving flow delivers gains in horsepower, torque and throttle response over the factory system.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #e0e0e0;border-radius:8px;padding:14px 16px;margin:18px 0 0;font-size:14px;line-height:1.7\"\u003e💳 \u003cstrong\u003ePay in 4 with Afterpay\u003c\/strong\u003e — 4 interest-free instalments at checkout (eligible orders)\u003cbr\u003e🚚 \u003cstrong\u003eShipping\u003c\/strong\u003e calculated at checkout — ships Australia-wide \u0026amp; worldwide\u003cbr\u003e↩️ \u003cstrong\u003e7-day returns\u003c\/strong\u003e on unopened items\u003cbr\u003e📞 \u003cstrong\u003eNot sure if it fits?\u003c\/strong\u003e Call \u003ca href=\"tel:+61452071148\"\u003e+61 452 071 148\u003c\/a\u003e or \u003ca href=\"tel:+61397466656\"\u003e(03) 9746 6656\u003c\/a\u003e — talk to the team who builds these.\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this fit my Ram 1500?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes - it suits the Dodge Ram 1500 5.7L HEMI V8 from 2012-2023 in both Classic (DS) and Limited (DT) body styles. Select your model at checkout.\"}},{\"@type\":\"Question\",\"name\":\"Can I fit it myself?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It is a true bolt-on cat-back - no cutting, welding or hoist required, and all hardware is included.\"}},{\"@type\":\"Question\",\"name\":\"How loud is it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Choose the Loud or Quiet configuration. The integrated X-pipe keeps the tone aggressive yet refined and helps reduce drone.\"}},{\"@type\":\"Question\",\"name\":\"Will it add power?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Reducing backpressure and improving flow delivers gains in horsepower, torque and throttle response over the factory system.\"}}]}\u003c\/script\u003e","brand":"Ramjet Performance Parts","offers":[{"title":"Classic (DS) \/ Loud","offer_id":51614629167425,"sku":null,"price":1389.0,"currency_code":"AUD","in_stock":true},{"title":"Classic (DS) \/ Quiet +($99)","offer_id":51614629200193,"sku":null,"price":1489.0,"currency_code":"AUD","in_stock":true},{"title":"Limited (DT) \/ Loud","offer_id":51614629232961,"sku":null,"price":1389.0,"currency_code":"AUD","in_stock":true},{"title":"Limited (DT) \/ Quiet +($99)","offer_id":51614629265729,"sku":null,"price":1489.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2805\/7153\/files\/RAM_1500_Catback.png?v=1770933499"},{"product_id":"ramjet-mustang-gt-1-3-4-headers-cats-2015-2023","title":"Ramjet Mustang GT Headers \u0026 Cats 2015-2023- 1 3\/4\"","description":"\u003cp\u003eThe \u003cstrong\u003eRamjet Mustang GT 1¾\" Headers \u0026amp; Cats\u003c\/strong\u003e is a true equal-length, long-tube header and high-flow cat system for the \u003cstrong\u003eFord Mustang GT 5.0L Coyote V8 (2015–2023)\u003c\/strong\u003e. The 1¾\" primary size balances exhaust velocity and airflow for both naturally aspirated and forced-induction setups, improving scavenging for stronger torque, more horsepower and a deeper, sharper exhaust note. Built from premium 304 stainless steel. \u003cstrong\u003eDoes not fit S650 (2024+).\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Ford Mustang GT 5.0L Coyote V8 — 2015–2017 \u0026amp; 2018–2023 (does NOT fit S650 \/ 2024+)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem type:\u003c\/strong\u003e Long-tube headers + high-flow cats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader design:\u003c\/strong\u003e Equal-length, 1¾\" primaries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat options:\u003c\/strong\u003e 100-cell metal, or 200-cell ceramic (forced-induction engines only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat-back compatibility:\u003c\/strong\u003e Bolts to factory cat-back with optional connector pipes (select at checkout)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuits:\u003c\/strong\u003e Naturally aspirated and forced-induction builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy Choose Equal-Length Headers?\u003c\/h4\u003e\n\u003cp\u003eEqual-length headers help your engine breathe properly. Each cylinder’s exhaust travels the same distance before reaching the collector, keeping exhaust pulses evenly spaced. That balance improves scavenging, reduces backpressure and helps the engine make more efficient power — better throttle response, stronger top-end performance and a cleaner, sharper exhaust note instead of a messy or uneven sound.\u003c\/p\u003e\n\u003ch4\u003eRamjet Mustang 1¾\" Headers \u0026amp; High-Flow Cats\u003c\/h4\u003e\n\u003cp\u003eBuilt from premium 304 stainless steel with a true equal-length design and long primary runners, these headers improve exhaust scavenging and performance throughout the rev range for stronger torque, improved horsepower and a deeper, more aggressive note. The 1¾\" primary size works well for both naturally aspirated and forced-induction setups. Included high-flow catalytic converters increase performance while staying street friendly, and with optional connector pipes the setup bolts directly to the factory cat-back.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1¾\" long-tube headers — equal-length runners improve flow and pulse balance\u003c\/li\u003e\n\u003cli\u003e304 stainless steel construction — handles extreme heat and resists corrosion\u003c\/li\u003e\n\u003cli\u003eHigh-flow catalytic converters — more power while remaining street friendly\u003c\/li\u003e\n\u003cli\u003eFactory-compatible fitment — optional connector pipes allow use of the factory cat-back\u003c\/li\u003e\n\u003cli\u003eMore torque, more horsepower and a sharper, race-inspired exhaust tone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWill these fit my Mustang?\u003c\/strong\u003e They fit the Ford Mustang GT 5.0L Coyote V8 from 2015–2023. They do \u003cstrong\u003enot\u003c\/strong\u003e fit the S650 (2024+).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1¾\" vs the double-step headers — which should I choose?\u003c\/strong\u003e The 1¾\" is an excellent all-round choice for NA and forced-induction builds. Step up to the double-stepped 1¾\"→1⅞\" headers if you’re chasing maximum flow on a high-horsepower build.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need connector pipes?\u003c\/strong\u003e Optional connector pipes let the headers bolt directly to your factory cat-back. Choose your option at checkout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMetal or ceramic cats?\u003c\/strong\u003e 100-cell metal suits most naturally aspirated builds; 200-cell ceramic is recommended for forced-induction engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a tune?\u003c\/strong\u003e Recommended to realise the full gains, but not required for fitment.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #e0e0e0;border-radius:8px;padding:14px 16px;margin:18px 0 0;font-size:14px;line-height:1.7\"\u003e💳 \u003cstrong\u003ePay in 4 with Afterpay\u003c\/strong\u003e — 4 interest-free instalments at checkout (eligible orders)\u003cbr\u003e🚚 \u003cstrong\u003eShipping\u003c\/strong\u003e calculated at checkout — ships Australia-wide \u0026amp; worldwide\u003cbr\u003e↩️ \u003cstrong\u003e7-day returns\u003c\/strong\u003e on unopened items\u003cbr\u003e📞 \u003cstrong\u003eNot sure if it fits?\u003c\/strong\u003e Call \u003ca href=\"tel:+61452071148\"\u003e+61 452 071 148\u003c\/a\u003e or \u003ca href=\"tel:+61397466656\"\u003e(03) 9746 6656\u003c\/a\u003e — talk to the team who builds these.\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will these fit my Mustang?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They fit the Ford Mustang GT 5.0L Coyote V8 from 2015-2023. They do not fit the S650 (2024+).\"}},{\"@type\":\"Question\",\"name\":\"1 3\/4 inch vs the double-step headers - which should I choose?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 1 3\/4 inch is an excellent all-round choice for NA and forced-induction builds. Step up to the double-stepped 1 3\/4 inch to 1 7\/8 inch headers if you are chasing maximum flow on a high-horsepower build.\"}},{\"@type\":\"Question\",\"name\":\"Do I need connector pipes?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Optional connector pipes let the headers bolt directly to your factory cat-back. Choose your option at checkout.\"}},{\"@type\":\"Question\",\"name\":\"Metal or ceramic cats?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"100-cell metal suits most naturally aspirated builds; 200-cell ceramic is recommended for forced-induction engines.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a tune?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Recommended to realise the full gains, but not required for fitment.\"}}]}\u003c\/script\u003e","brand":"Ramjet Performance Parts","offers":[{"title":"2015-2017 \/ Standard (Connector Pipes Are Needed +$258) \/ 100 Cell Metal","offer_id":51606532129089,"sku":null,"price":1548.0,"currency_code":"AUD","in_stock":true},{"title":"2015-2017 \/ Standard (Connector Pipes Are Needed +$258) \/ 200 Cell Ceramic (Forced Induction Engines Only) +($99)","offer_id":51609921782081,"sku":null,"price":1647.0,"currency_code":"AUD","in_stock":true},{"title":"2015-2017 \/ I will be making my own connector pipes to my catback \/ 100 Cell Metal","offer_id":51606532161857,"sku":null,"price":1290.0,"currency_code":"AUD","in_stock":true},{"title":"2015-2017 \/ I will be making my own connector pipes to my catback \/ 200 Cell Ceramic (Forced Induction Engines Only) +($99)","offer_id":51609921814849,"sku":null,"price":1389.0,"currency_code":"AUD","in_stock":true},{"title":"2018-2023 \/ Standard (Connector Pipes Are Needed +$258) \/ 100 Cell Metal","offer_id":51606532194625,"sku":null,"price":1548.0,"currency_code":"AUD","in_stock":true},{"title":"2018-2023 \/ Standard (Connector Pipes Are Needed +$258) \/ 200 Cell Ceramic (Forced Induction Engines Only) +($99)","offer_id":51609921847617,"sku":null,"price":1647.0,"currency_code":"AUD","in_stock":true},{"title":"2018-2023 \/ I will be making my own connector pipes to my catback \/ 100 Cell Metal","offer_id":51606532227393,"sku":null,"price":1290.0,"currency_code":"AUD","in_stock":true},{"title":"2018-2023 \/ I will be making my own connector pipes to my catback \/ 200 Cell Ceramic (Forced Induction Engines Only) +($99)","offer_id":51609921880385,"sku":null,"price":1389.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2805\/7153\/files\/Untitleddesign_79.png?v=1773623600"}],"url":"https:\/\/ramjetperformanceparts.com\/collections\/ramjet-exhausts.oembed","provider":"Ramjet Performance Parts","version":"1.0","type":"link"}