Does anybody else Catback buzz and vibrate sometimes? Mine does sometimes, I've gotten used to it and it doesn't really bother me but I just wanted to know if I'm the only one. I don't think I got the over the axle pipe positioned right or something.

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1989 Pontiac Firebird Formula LO3 Auto
-180 degree stat
-Hooker Cat-Back
-velcro t-top bag
-Wonder Bar from my IROC
*****Possible future mods*****
4th gen seats, fiberglass spoiler, new paint

1985 IROC-Z, TPI Auto
-Accel Super Coil
engine and tranny overhauls coming this summer


http://www.geocities.com/krt80/