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Old 01-13-2010, 06:21 AM   #31 (permalink)
ERZperformance
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Quote:
Originally Posted by Zsteve View Post
So will all HFCs add rasp to the sound? I have the FI CBE and have hears that stock the rasp isnt there but with aftermarket it is.

a test pipe will add rasp, and HFC will help eliminate the rasp.
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