Recoil Racing’s Mustang GT performance upgrades include the 1RR Package (500 HP) with a high-flow air intake and ECU tuning, the 2RR Package (550 HP) with exhaust and long-tube headers, the 3RR Package (800 HP) featuring a supercharger system, and the High-Caliber Package for extreme enthusiasts looking for 1000+ HP Mustang GT upgrades.