- 304Stainless steel
- Tri-YStepped design
- CNCFlange plates
- AUSDesigned & tested
Ramjet Performance Parts // RAM 1500 5.7L 2012-2023
Ramjet Full Exhaust System Ram 1500 5.7L
★★★★★The best sounding Ram exhaust in the world: Tri-Y stepped headers, high-flow cats, a race crossover merge and cat-back, all in 304 stainless.
Happy Ramjet owners
- ★★★★★
“The quality surprised me. Welds looked neat and everything lined up better than I expected.”
Craig T. · verified buyer - ★★★★★
“Ended up noticing the truck feels more responsive taking off from the lights.”
Ben · verified buyer - ★★★★★
“Sound is awesome without being too loud when towing long distance.”
Dimitri K. · verified buyer
- ☎Talk to the team03 9746 6656
Custom dyno tune required +
This full system needs a custom dyno tune once fitted. Without it a check-engine light will appear and you won't get the gains the system is built for. Book your dyno tune before or straight after install. Need help organising one? Call 03 9746 6656.
$99 flat-rate AU delivery +
Insured and tracked Australia-wide. Ships worldwide.
Fitment +
Fits the 2012–2023 Ram 1500 5.7L HEMI, Classic (DS) and Limited (DT). The DS has the crosshair grille; the DT has the wider grille with RAM lettering. Still not sure? Call 03 9746 6656.
304 stainless, for life +
No coatings. No rust. No compromise.
Race-proven technology.Built for the street.
Ramjet (REX) exhaust systems bring race-proven technology to the street: maximum power gains, improved flow velocity, and a distinct, aggressive sound.
Why Ramjet
Ramjet vs factory
 |
 |
OEM
Factory exhaustStandard fit | |
|---|---|---|---|
| Sound | |||
| Deep V8 note, no rasp | |||
| Performance | |||
| Tri-Y stepped long-tube headers | |||
| High-flow cats | |||
| Race crossover merge | |||
| Ramjet X-pipe centre muffler | |||
| Build | |||
| 304 stainless | |||
| Designed & tested in Melbourne | |||
| Support | |||
| Talk directly to the team | |||
| Upgrade later | Complete | Add the header-back kit | — |
| Add to cart | View cat-back |
Factory = the standard exhaust fitted to the 2012–2023 Ram 1500 5.7L HEMI.
How it goes on
Four steps from the box to that V8 note.
1. CheckClassic (DS) or Limited (DT)? The DS has the crosshair grille; the DT has the wider grille with RAM lettering.
2. UnboltOut comes the factory system: headers, cats and mid-section. Give the header bolts a soak in penetrant first.
3. Bolt inHeaders and cats first, then the cat-back. Snug everything up before final torque.
4. Tune & driveBook in a custom dyno tune. It's required with this system. Then check for leaks once warm and enjoy the sound.
Why owners love Ramjet
A proper V8 note
Deep and clean, never raspy. The Tri-Y headers and X-pipe centre muffler shape the note, not just the volume.
Bolt-on install
Designed to bolt in, so owners regularly fit their Ramjet at home or at their local workshop.
304 stainless, for life
No coatings. No rust. No compromise.
Race crossover merge
Balances exhaust pulses between both cylinder banks, sharpening throttle response and improving scavenging. Working with the X-pipe centre muffler, it helps reduce the resonance that causes highway drone.
Flow tested
Designs are proven on the flow bench, so the gains are measured, not guessed.
Talk to the team
The people who design and test Ramjet parts in Melbourne answer the phone: 03 9746 6656.
What Ram owners say
- ★★★★★
I spent months researching exhaust systems and landed on this one. Build quality is first class and the sound is exactly what these trucks should have from factory. Customer service was also fantastic.
Matt D.Verified buyer
Ram 1500 cat-back - ★★★★★
Great system, took 45 minutes total to remove and refit the new ram jet system to the ram 1500, customer service was the best service I’ve ever received. Great deep note highly recommend
Chris K.Verified buyer
Ram 1500 cat-back - ★★★★★
Been through a couple of different exhausts over the years and this is by far my favourite. Doesn't sound raspy or cheap. Just a proper V8 note
Darren H.Verified buyer
Ram 1500 cat-back - ★★★★★
Excellent product! Has a very deep real v8 note which I love!! Easy bolt on design
James H.Verified buyer
Ram 1500 cat-back - ★★★★★
Good quality, super easy to install and does sound good.
Jim E.Verified buyer
Ram 1500 cat-back - ★★★★★
Sounds and looks every bit as good as advertised.
Chris S.Verified buyer
Ram 1500 cat-back
Frequently asked questions
Everything Ram owners ask us before their Ramjet goes on.
Will it fit my Ram? +
This system is built for the 2012–2023 Ram 1500 5.7L HEMI, in both Classic (DS) and Limited (DT) models. Choose your model above. Not sure? Talk to the team on 03 9746 6656.
Do I need a tune? +
Yes. The full system needs a custom dyno tune once fitted. Without it a check-engine light will appear and you won't get the full gains. Call 03 9746 6656 if you need help organising one.
How loud is it? +
Deeper and considerably louder than factory, without the rasp. Hit Hear the note above to hear it for yourself, or call 03 9746 6656 and we'll talk you through it.
Can I start with the cat-back and add headers later? +
Yes. The Ramjet header-back kit bolts straight on to the Ramjet cat-back, so you can build your system in stages.
How much is shipping? +
$99 flat-rate delivery Australia-wide, insured and tracked. Ships worldwide.
Fitted. Driven. Reviewed.
Verified feedback from Ram 1500 owners running the Ramjet full system.