Originally posted by ZetecRacing:
AND this would never change??? I know mine has changed with every performance mod I have done like the intake and the exaust it changed alot...
Huh? I don't care what kind of intake or exhaust you have, if the engine goes 4500 RPM, you're going to hear a note of 150 Hz, which is just above a D. Move your piano out into the driveway if you don't believe me.