Autograf's 625 HP Package on a 2008 Shelby GT500, which includes: Long Tube Headers, Hi-Flow Cats, 3...
Autograf's 625 HP Package on a 2008 Shelby GT500, which includes: Long Tube Headers, Hi-Flow Cats, 3" Exhaust, High Flow Intake, 2.7" Supercharger Pulley
up against Autograf's 475hp 2002 Chevrolet Corvette Z06 with: Long Tube Headers, Hi Flow Cats, Mild Cam. Watch the Shelby pull strongly away from the Z06, even when the Vette has a rolling start! Note that the Vette only weighs 3100 lbs. and has a distinct aerodynamic advantage, while the Mustang weighs 3,800 lbs. The Vette get's Head's next.
Autograf.