Quote Originally Posted by Taily View Post
It would be a deadset sleeper with an exhaust/OTR/tune but leave it looking stock on the outside.

I recently bought an 04 LS1 AWD Adventra and modded it like that, it is pretty funny when you can embarrass some dick in an M3 with a sleeper...

I've had to upgrade the brakes and struts/shocks as the extra grunt showed up the suspension quite badly... ;)

must be quite the bullet to beat an M3