exhaust question
yea so next week some time im gonna get my exhaust put on, and im wondering what kind of gains im gonna be looking at hp wise and about how much off the qm. I have a front trak and im getting a 3" custom made exhaust with a magnaflow muffler and resonator and i was planning on running a testpipe to get the most out of it. currently i have a ko4 on giac ko3 software (was also wondering if this is bad). i want a 3" cuz i plan on getting a elim gtrs. let me know what u think.
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