Originally Posted by MRSSIIM3
intereting. so what i described should put me over 400, give or take ~10hp b/c akra doesnt add as much as test pipes, and the effectiveness of the tune.
theres nothing else than exhaust, intake, pulley and tune though?
Also the Epic Motorsports Flash tune.
This particular M3 (forum member Kaiv) is abused on the track as well as daily driven.