ok i have jus a single in dual out flowmaster 40, what is the difference in hp gains between what i have, justa single in dual out flow, vs a catback?? is their much of a difference at all? i was bored sittin here and that question jus popped into my thick head
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question about muffler vs catback
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Re: question about muffler vs catback
Yes your stock piping is 2 1/4" and a full catback is either 2.5" or 3".<a href=\"http://www.fbodyelpaso.org\" target=\"_blank\">www.fbodyelpaso.org</a> A4 stock 3.42 and LSD not Y87,SLP cold air induction, whisper lid, k&n filter, flowmaster 80 series, hypertech, 160 powerstat thermostat, t/a front bumper, functional nostrils, pacesetter headers best et: 15.9 at about 4800ft
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by ssms5411Went ahead and moved my starter wire from the back, to the front again since it had no effect on my drain on the battery. Also made me nervous driving...2 weeks ago
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