to Gutt cat, or not?
06-20-2002, 09:56 AM
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to Gutt cat, or not?
have a 3" carsound cat 94000... would it be benficial to gutt it for some HP, or would some turbulence occur (resulting in worse air flow)?
06-20-2002, 10:25 AM
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Re: to Gutt cat, or not? (gsR-T mode)
if you gut it your car will sound like it doesn't have a cat and you'll probably get pulled over, especially with a bit of smoke comin out at WOT...I wouldn't bother, really. It'll pass visual, but if you have to get tested again you'll need to buy a new one. http://www.testpipe.com has straightpipes that have stock cat heat shields, if you really want to do it right. 
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06-20-2002, 06:57 PM
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Re: to Gutt cat, or not? (Etylorcen)
3'' carsound cat flows almost as well as a test pipe so by gutting the cat im sure you'll have worse flow.
06-20-2002, 11:52 PM
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Re: to Gutt cat, or not? (dlplayboy)
3'' carsound cat flows almost as well as a test pipe so by gutting the cat im sure you'll have worse flow.
really? is that proven?
really? is that proven?
06-21-2002, 12:00 AM
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Re: to Gutt cat, or not? (gsR-T mode)
i live in the wonderful state of california. i don't think the test pipe is an option.
06-21-2002, 12:14 AM
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Re: to Gutt cat, or not? (R-1303)
i live in the wonderful state of california. i don't think the test pipe is an option.
I'm right there with you!! daam chp fockers!
I'm right there with you!! daam chp fockers!
06-21-2002, 01:47 AM
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Re: to Gutt cat, or not? (Anthony K)
what about gutting stock cats? Is it better to just cut the flanges off and weld a test pipe in? Does the larger hallowed out chamber of a gutted cat create turbuance? Atleast thats what I am beinging to get from ther posts on here
06-21-2002, 06:55 AM
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Re: to Gutt cat, or not? (CustomCockpits)
what about gutting stock cats? Is it better to just cut the flanges off and weld a test pipe in? Does the larger hallowed out chamber of a gutted cat create turbuance? Atleast thats what I am beinging to get from ther posts on here
06-21-2002, 06:57 AM
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Re: to Gutt cat, or not? (Etylorcen)
3'' carsound cat flows almost as well as a test pipe so by gutting the cat im sure you'll have worse flow.
I would not gut the cat if you are in CA. Get a test pipe.
06-21-2002, 10:12 AM
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Re: to Gutt cat, or not? (98Psi ITR)
the butt dyno seemed to pick up nice gains upon gutting the stock cat.
i figured a gutted cat would do better. the whole "bottleneck" turbulence concept makes me wonder though.
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