Shelby GT500 vs 2003 Mustang Cobra Race 3

Race 3: 2008 gt500 with k&n filter , tune and magnaflow cat back vs 2003 10th Anniversary Mustang Cobra with semi slicks, K&N replacement filter /SCT TUNER/Steeda PULLEY , jba long headers ,jba X pipe w/hi flow cats , Borla catback