Performance
Don't suffer from Generic Headers
The team at Gmmotorsport are the experts when it comes to LS engines! Having won multiple world championships with LS built engines. The research and development for their parts are unmatched.
- Factory Ground Clearance
- Equal Length Design
- Race Merge Collector
- 304 Stainless Steel
- 12 Month Warranty
- Bolts Up To Factory Catback
It's time You Pull the trigger!
It's time to pull the trigger and unlock the full potential of your LS engine! Equip yourself with the best parts available on the market.
If you want ultimate performance upgrade to our REX Triple Step Headers & Cats, proven to be the top choice for performance and reliability. Don't wait—take action now and elevate your ride to the next level!
Note these are the triple stepped headers in this video
1000rwhp
Check out this GTS that made over 1000rwhp with our REX triple Step
Headers & Cats.
As well as all of our other performance parts including our camshaft and cnc heads!
Note these are the triple stepped headers in this video
Testimonials
What Our Buyers Are Saying!
Triple Stepped Headers vs. Generic Aftermarket Headers
Note these are the triple stepped headers in this video
Frequently Asked Questions
Does the headers Bolt Straight Up?
Yes, the REX headers and cats should bolt straight up. However, due to them being such big headers, there may be some cars that need slight clearancing!
What type of power increase should I expect?
Should expect roughly 70hp increase (with a tune) depending on your cars make and model!
How long does it take to ship?
The exhaust will be sent out usually within 1 business day.
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Australian Owned