I am an old guy returning to my hot rod roots. This is my second Mustang California Special after 25 years. I have installed the Ford Racing Lowering and Handling Kit, Ford Racing GTA mufflers, Ford Racing intercooled Whipple Supercharger(It made 466 hp at the rear wheels at 5500 ft of elevation), CHE adjustable lower control arms and rear bracket extensions, Ford Racing 14" Brembo front brake upgrade, Ford Racing short throw shifter, a GT-500 rear spoiler, splitter and wheels and tires. It was perfect when I bought it, it needed a little tweaking.