18-07-2012, 09:30 PM
The XSi head isn't bad at all in honesty, the throttle body and manifolds are wank though.. So bodies and a decent exhaust mani would probably help a lot...
But unless you put it on standalone management and have it properly mapped, you're wasting your time - which is where most people seem to fall down.
But unless you put it on standalone management and have it properly mapped, you're wasting your time - which is where most people seem to fall down.