Not to mention there's a HELL of a lot more parts that could be listed. Body code + dealership color, engine level + multiplier, turbo level + multi, exaust + multi, ECU, flywheel, clutch plate, wing, front and rear bumper, extension, tire compounds, weight multi, weight reduction kit + multi, transmission gears, downforce, center differential, rims, driveshaft, chassis reinforcement, hood, exaust manifold, intake manifold, LSD + settings, window weight reduction, air filter, supercharger + multi, power limiter, grip multi, the difference between body paint and riim paint...