Steeda's Pulley and Tuner Package for the 2010-2011 GT500 is a simple and effective way to add 60 horsepower and over 70ft/lbs of torque to the wheels.
This simple package includes our upper supercharger pulley and a custom tuned SCT Xcalibrator handheld tuning device.
Simply install the pulley and re-program the PCM with the supplied tuner and enjoy your newfound power.
For the do it yourself installer we highly recommend you the use of our pulley removal/install tool part number 555-8902.
Note: Damage to supercharger pulley caused by use of the improper tool is not warrantied.
555-3345 - Steeda Supercharger Pulley
388-3015ST - Steeda/SCT XCalibrator 3 w/ Tune
Greatly improved throttle response and drivebility
60+ horsepower and 70+ ft/lbs of torque!
Installation can be done at home with proper tool