Edelbrock Supercharger Stage 2 - Track Kit 2005-2009 Ford Mustang 4 6L 3V w/ TunerThe Edelbrock supercharger Stage 2 system part #15856 for 2005 09 Ford Mustang increases the performance of your 4. 6L 3V engine to 529 horsepower and 494 ft lbs of torque at the crank. The core of this system is the Eaton Gen VI 2300 TVS rotating assembly with a four lobe design with 160 degrees of twist for maximum flow, minimum temperature rise and quiet operation. We also designed our superchargers with an integrated bypass valve to help eliminate