stage 2+ 2001 audi s4 bi-turbo
APR 93 oct chip tune, turbo back exhaust, awe lightened flywheel, rs4 clutch, dahlback diverter valves, bm shortshifter, H+R coilovers, 260whp 325wtq... about 325chp and 400ftlbs tq
hopefully one day ill upgrade to some k04s if anyone knows what that is