For drivers who want to power up and still maintain mild street manners, the Power Upgrade Package offers a slightly throatier exhaust note and a new mass air meter with calibration. The result is approximately 20 horsepower! With the Power Upgrade Packages easy bolt-ons, it takes just an afternoon in the driveway to install. The Power Upgrade Package includes the Ford Racing Flash Tuner to ensure proper calibration.
Fits 2005 Mustang GT with 5-speed transmission and factory 3.55 gear ratio.
Kit includes:
90mm Cold Air Kit M-9603-GT05
Muffler Kit M-5230-GTA
Performance Oil Filter CM-6731-FL820
Pro-Cal tool with official Ford Racing calibration
Approximate increase of 20 horsepower at the rear wheels
50-States "Street Legal" (E.O. #D-598) Premium fuel only
