hi guys i have an 04 cobra with borla exhaust other than that it is completely stock. im looking into taking it to this place http://www.illinoisdynocenter.net/MustangCobraSVT.html and gonna get this package
500+WHP Stage II - Programmer & 2-Piece Supercharger Pulley: $599. (Notes 1,3,& 4)
i called them they said with dyno and everything installed for 755 out the door is that a good deal and what kind of hp am i gonna expect from this really 500? thanks joe