2.9L Twin-Screw Supercharger System

The Whipple W175AX supercharger system delivers significant power gains for your Shelby GT500. This kit features a 2.9L twin-screw compressor, designed for instant boost and robust torque delivery across the entire RPM range. It directly replaces the factory supercharger, offering improved efficiency, lower discharge temperatures, and reduced parasitic loss compared to the stock Eaton unit. The kit includes a 3.25" supercharger pulley (providing 17 psi of boost), a fuel pump voltage booster, a dual 68mm throttle body, and a 123mm cold air intake. Calibration and spark plugs are also part of the package, ensuring optimal performance and integration with your engine. Whipple highlights the W175HPR compressor's ability to run up to 25psi of boost with required engine modifications, enabling unheralded performance levels. This system is engineered for the 2007-2012 Shelby GT500 models with the 5.4L V8 engine. Various finish options are available, including Black Textured Semi-Gloss, Stage 2 Polished, Stage 3 Polished, Gloss White, and Ford Textured Blue. The complete kit is 50-state emissions legal up to 16psi of boost.