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| DaveXR8 |
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My cars got a cat back exhaust and im looking to get extractors for it but I noticed that the cats and headers that are on there now (which im assuming is standard) are welded together.
Is that normal? I always thought they were just bolted together. Does that mean that ill have to get both aftermarket headers and cats togehter?
_________________ AU3 XR8 Manual, Full options,Pursuit Lip, Boss bonnet, Hurricane extractors, zorst, SS Induction, K&N filter, Flash tuned...191rwkw |
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| BOTTLEDUP |
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Essentially yes, it is possible to cut the old cats off and re-use them, but a set of hiflow units aren't that much more dollars and unlock a few extra HP.
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| DaveXR8 |
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what about not having the cats and just running the pipe straight through?
_________________ AU3 XR8 Manual, Full options,Pursuit Lip, Boss bonnet, Hurricane extractors, zorst, SS Induction, K&N filter, Flash tuned...191rwkw |
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| BOTTLEDUP |
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You could do that too... Just don't get caught by the EPA.
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| XH5LWEPN |
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{USERNAME} wrote: what about not having the cats and just running the pipe straight through?
For the miniscule gains that may be made by doing so i wouldnt bother, not worth the $10,000 or so fine. If you are on a tight budget i would get the pacemakers and have your std cats modified to fit up. They pretty much flow enough anyway, i cant see you getting much of a power gain with hi-flows, not worth the $$$$ in my opinion.
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| DaveXR8 |
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yeah i was told that the standard cats are good enough to do the job.
_________________ AU3 XR8 Manual, Full options,Pursuit Lip, Boss bonnet, Hurricane extractors, zorst, SS Induction, K&N filter, Flash tuned...191rwkw |
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| Adrian Orchard |
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another idea is (dare i say it)look around for a couple of vl,s and grab the cats off them they are supposed to flo well and are of a big pipe diameter.
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