4.6L Talk
I have a 2002 Mustang GT with 3.73, short throw, CAI, Superchips Tuner tuned for 91 octane (better mpg and some hp), Flowmaster 40s, and a stage 2 clutch.
I was wondering what other mods I can add to my car (nothing crazy like superchargers). I was thinking under drive pulleys but I have heard...