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2011-2012 Ford Shelby GT500 675 Horsepower Performance Package

Price: $5,950.00
21st Century Muscle Cars 675 Horsepower Performance Package

2011-2012 Ford Shelby GT500
-Increased capacity heat exchanger
-65mm billet throttle body
-Harmonic balancer change
-Supercharger Pulley change
-Idler Pulley change
-Serpentine belt
-Carbon Fiber Cold Air Intake
-NGK V-Power Spark Plugs
-SCT X-Cal 2 Handheld Tuner
-Custom DynoTune
-Horsepower & Torque dyno sheets
-Professional Installation & Testing
-21CMC 2 Year Warranty

Typical Dyno results are as follows:

2011 Shelby GT 500 - Stock Baseline - 455 RWHP / 440 RWTQ

After Installing the above mods - 575 RWHP / 560 RWTQ

Normal installation time required: 1 week with prior notification.

All power figures shown are crankshaft numbers unless otherwise stated.
Items on this page are not legal for sale or use on California pollution controlled motor vehicles unless they are listed with an E.O. number