Normal
Replace the factory Supercharger with a "Whipple" for your "R" plus change the main supercharger pulley with the Roush or SVT: Mustang GT500 or Super Snake model(s). Big H.P. gain. and quieter "wine" of the blower. Good luck.
Replace the factory Supercharger with a "Whipple" for your "R" plus change the main supercharger pulley with the Roush or SVT: Mustang GT500 or Super Snake model(s).
Big H.P. gain. and quieter "wine" of the blower. Good luck.
