Originally Posted by ilirduka335xi
Ohh but was the challenger that you raced the 392 edition ?
No but i was tune only when i raced him. Now with FBO and 93oct im pretty confident you'll beat him even if he has the 392 edition, but if your scared just put in race gas, jb4 + FBO + RACEGAS is a beast!! my buddy who had a 335xi, ran that setup at the track, he was running low - mid 12's.