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 ssms5411So my truck is finally getting some work done, after 17 years, Oil pressure sensor went out and it’s located under the lower intake manifold. Have to...2 weeks ago
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