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Old 12-22-2010, 06:50 PM   #4 (permalink)
Kastley85891
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^ Not caused by the pipes - that is not a nasty rasp, but the characteristic of the motor, amplified by the Y pipe, it was the same with the stock CATS in place.

Usually the rasp withe TP's in my Exp will be around 2800 rpm, that generic hiss is around 1800 rpm, when I installed the Y pipe it amplified that area for sure.
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Last edited by Kastley85891; 12-22-2010 at 06:55 PM.
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