High Flow Cats vs Cat Delete Pipes
11-21-2004, 11:36 AM
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High Flow Cats vs Cat Delete Pipes
Okay, almost have my full exhaust system upgraded from the headers back. The finishing step: getting rid of the stock cats.
I've been looking around at products, and I have 3 finalists.
1) Kinetix High Flow Cats
2) Stillen "Race Pipes"
3) APS Cat Delete Pipes
Questions-
1) which is the best in terms of HP gains?
2) which will improve my car's sound the best? Right now I have dual stillen catback, and they sound pretty good. I heard that the stillen race pipes add a kind of raspy sound but they give nice power though...
3) maybe some truth to the rumor- a friend told me, high flow cats are a safer alternative to cat delete pipes, because if the car is inspected and there are no cats on it, it will be impounded. True/False? How easy is it to get around this?
I've been looking around at products, and I have 3 finalists.
1) Kinetix High Flow Cats
2) Stillen "Race Pipes"
3) APS Cat Delete Pipes
Questions-
1) which is the best in terms of HP gains?
2) which will improve my car's sound the best? Right now I have dual stillen catback, and they sound pretty good. I heard that the stillen race pipes add a kind of raspy sound but they give nice power though...
3) maybe some truth to the rumor- a friend told me, high flow cats are a safer alternative to cat delete pipes, because if the car is inspected and there are no cats on it, it will be impounded. True/False? How easy is it to get around this?
11-21-2004, 11:57 AM
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test pipes will be noticeably louder and provide the most power. Cats will be much quieter, give a noticeable improvement vs the stock cats, but not quite the punch of test pipes
We use and offer the Ultimate Racing cats ourselves and could not be happier with them
Adam
We use and offer the Ultimate Racing cats ourselves and could not be happier with them
Adam
11-21-2004, 12:38 PM
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Your gonna get a bad raspy sound when you take off the stock cats and go with test pipes [ pipes are pipes go with some cheaper ones ] Crawfors ,Ultimate , and Kinetics make good cats . There are pipes with resonaters that will get rid of most of the rasp and still be higher flowing than any of the cats
11-21-2004, 01:10 PM
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Originally posted by Z1 Performance
test pipes will be noticeably louder and provide the most power. Cats will be much quieter, give a noticeable improvement vs the stock cats, but not quite the punch of test pipes
test pipes will be noticeably louder and provide the most power. Cats will be much quieter, give a noticeable improvement vs the stock cats, but not quite the punch of test pipes
Im still torn between the two. I guess it depends on which weighs out the other- how much more power the pipes put out over cats, and how much better cats sound vs pipes.
11-21-2004, 01:52 PM
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hp wise - a could at most..its not going to be a HUGE difference. For me personally, the sound of test pipes is too much to bear, so the high flow cats were the only choice. All depends on what you are willing to live with.
If it were me though, I might look into ditching your Borla headers and going with something more power producing
If it were me though, I might look into ditching your Borla headers and going with something more power producing
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11-21-2004, 06:11 PM
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Originally posted by dave079
I would go with Kinetix resonated test pipes. They are test pipes with resonators welded around them. No rasp, no restriction, and they sound great. Cant beat that for $370
I would go with Kinetix resonated test pipes. They are test pipes with resonators welded around them. No rasp, no restriction, and they sound great. Cant beat that for $370
11-21-2004, 06:26 PM
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Originally posted by Srivero297
whats the difference between those and the Kinetix high flow cats?
whats the difference between those and the Kinetix high flow cats?
11-21-2004, 07:54 PM
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Originally posted by dave079
High flow cats will have a little less flow due to the honeycomb material still being in them. Resonated test pipes are just straight pipes on the inside with resonators welded on the outside of them. Same as test pipes with almost zero rasp. I have them and love them
High flow cats will have a little less flow due to the honeycomb material still being in them. Resonated test pipes are just straight pipes on the inside with resonators welded on the outside of them. Same as test pipes with almost zero rasp. I have them and love them
11-22-2004, 06:27 AM
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i hvae my kinetix test pipes with the in-line resonator intalled at the same time i installed nismo catback exhaust .... and i think ..( i repeat i think) i do get the raspy sound ... i can hear clearly at about 3K when releaseing the throttle .... BUT i don't know if its coming from the kinetix? or from the nismo???
about the fitting, it was a Good fit without any difficulty
about the fitting, it was a Good fit without any difficulty
11-22-2004, 06:41 AM
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I dont think any [ I could be wrong ] Of the resonated test pipes will get rid of all the rasp . I went from RT cats [rasp ] Gutted RT cats [ bad rasp ] to LaBree resonated pipes [ little rasp ] to Crawford cats.....No rasp and a good sound from them
11-22-2004, 06:42 AM
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Originally posted by Denny317
I've heard that the kinetix resonated pipes don't fit well. True? Anyone know if Unlimited Tuning has their pipes out yet?
I've heard that the kinetix resonated pipes don't fit well. True? Anyone know if Unlimited Tuning has their pipes out yet?
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