Exhaust, cuz it's cool.
Basically I agree with swansong.
Or you could turbo it. :D
Supercharged '02 SVT
MODS: Vortech Supercharger, VF motor mounts, 61lb/hr injectors, Trubendz 3" cat-back.
Oh, and the massive pile of uninstalled parts sitting in my garage...
I like to go fast.