fabspeed bypass pipe?

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Feb 15, 2009 | 11:04 AM

madporsche

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fabspeed bypass pipe?

Whis is the difference between fabspeed catbypass pipes and muffler bypass pipes? And what is gain from each? Any performance difference?

Feb 15, 2009 | 11:40 AM

mdrums

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From: Tampa

Simple, the cat by pass pipe by pass the cat and the muffler by pass pipe by passes the muffler.

Less restriction of the exhaust flow should give you more power in the upper rpm's.

Feb 15, 2009 | 11:45 AM

gota911

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From: Winston-Salem, NC

Either option will be very LOUD! While you may get more HP in the upper end of the power band, you may also lose some lower to mid-range torque.

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