Description
NOTE THESE ARE NOT TRIPLE STEPPED HEADERS
Take your GM V8 to the next level with REX Exhausts' revolutionary equal length headers. Crafted from premium 304 stainless steel with a polished finish, these headers mean business with their race merge collector design for optimal exhaust flow and serious power gains.
But the best part? They bolt directly onto your factory cat-back system or popular aftermarket setups like XForce - no cutting or welding required. Just bolt them on and feel that V8 roar to life. Unlock your engine's true potential while keeping that sleek, streamlined look under the hood. From VE to VF Commodores and HSV muscle cars, this is a must-have equal length header upgrade.
Note the photo's above is the Triple Step Headers

THiS IS A PHOTO OF THE 1 3/4" Header
What catback should I bolt up to?
Any catback that starts in the standard location should bolt straight up to our REX Headers & Cats.
Xforce
Sedan & Wagon
2.5”
https://australiaspeed.com.au/ve-vf-v8-v6-sedan-wagon-x-force-cat-back-system-twin-2-5
3”
https://australiaspeed.com.au/holden-ve-vf-commodore-v8-raw-409-twin-3inch-cat-back-system/
UTE
2.5”
https://australiaspeed.com.au/x-force-409-stainless-steel-cat-back-system-with-twin-2-5-piping/
3”
https://australiaspeed.com.au/x-force-409-stainless-steel-cat-back-system-with-twin-3-piping/
GM Motorsport have revolutionised the header concept by making a long tube equal length header that fits in a short location, all whilst having the rear pipes longer than any other header on the market. Get all the performance benefits with zero ground clearance issues, or the need of a custom cat back exhaust as is required with traditional long tube headers. Add in triplestepped pipes for improved throttle response, race merge collectors, 304 stainless construction for quality at a great price and you have yourself the perfect storm.
NOTE
Metal CAT = 100cell
Ceramic = 400cell
Please Note:
Before any modifications to your headers including coating make sure you are satisfied with the product.
We do not cover the costs for fitting/removal or coatings.
4 Reviews Hide Reviews Show Reviews
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REX 1 3/4 Headers with Cats
I purchased on line and was happy with the quick response and communication of the online sales area. I chose the larger 3" inch cats to suit supercharged applications - 400 cell ceramic coated. Postage was quick and arrived as described. They were fitted at my local performance workshop. I was happy with the change in exhaust note and it felt the engine was indeed breathing much better than with the previous headers (non factory). Overall bang for your buck is a high 9/10. Am yet to have it retuned with the the upgrade.
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Great
Very easy company to deal with delivery is very quick. I haven’t put them on yet but I will.
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1 3/4 Header
Quality made product
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1 3/4 Rex headers & 3 inch cats
Product looks to be mint quality, I’ve done pacemaker & dpe headers prior quality visually nicer. Hopefully see solid improvement once fitted and retuned