Mustang 3v 4.6 vs BMW E46 M3 HD

2005 Mustang GT 5 speed manual 4.6 3v V8 MODs---- Steeda 90mm CAI Frpp intake manifold BBK lt headers BBK o/r x pipe flowmaster outlaws BAMA 93tune BMR lowercontrol arms and relo brackets 3.31 gears (new rear end slower than stock 3.55) mustang running 4 people deep M3 mods unknown exhaust for sure and no passengers