Whats the diffrence between Hi flow cat and test pipe
03-19-2005, 06:38 PM
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Whats the diffrence between Hi flow cat and test pipe
What exactly is the diffrence between hi flow cat and a test pipe. which gives you the best gains.
03-19-2005, 07:39 PM
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a high flow cat can depend on where you buy it from......if you buy it from catco, thermal, super converter ect. is cat. that looks stock but flows alot better, then there is the cheap $25 "high flow cats" that are basically just resonators. A "Test Pipe" is just a piece of exhaust tubing put in place og the cat. There is a performance upside but a test will not pass emissions. I personally just purchased a new thermal cat to compliment my thermal exhaust and I think its worth the pricea
03-20-2005, 01:02 PM
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Originally Posted by honda_pilot
ones legal the others not i believe
u could allways take a crowbar and bash out the coal or watever is in it and make a straight pipe that looks like a cat but that would be illegal