Description 1 in stock ready to ship Whipple W175AX 2.9L 2.9 twin screw supercharger upgrade kit with black Accufab single blade throttle body for 2003-2004 Ford Mustang Cobra SVT Terminator 4.6 4V, newest 4th generation design . Plenum has an opening for single blade throttle body , comes with 3.5 8 rib pulley . Brand new unit in Whipple box . What is the Gen 4 supercharger? It’s Whipple’s newest rotor technology which has already proven itself both on the dyno and track as a great improvement over the previous generation design.The Gen 4 supercharger not only utilizes new rotor technology but a newly designed supercharger housing/case. The Gen 4 design benefits from the 3/5 rotor setup with tighter tolerances making it more efficient. In addition to that the port on the housing has been revised and now allows for increased rotor filling and decreased turbulence, resulting in increased overall supercharger efficiency
