They'll run 12's stock. A mustang magazine even said sohahaha, you must have mistaken the accelerator pedal for the brake. That ls1 trans am should beat it as is, if not then theres something wrong.
headers
catback
tune
easy, easy, easy 12's with drag radials
edit- remove those stupid 20's
Not bad! That's some easy fixes for sure. Kinda worry's ya a little bit about how the previous owner treated it but Damn it sure looks clean!
it runs hard, but i'm almost 100% sure it doesn't beat the GTP.
Not really that much just a few things^^^you must have quite a bit done to it then.