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2011-2012 Ford Shelby GT500 620 Horsepower Performance Package

Price: $2,495.00
21st Century Muscle Cars 620 Horsepower Performance Package

2011-2012 Ford Shelby GT500
-Supercharger Pulley swap
-Idler Pulley swap
-Carbon Fiber Cold Air Intake
-NGK V-Power Spark Plugs
-SCT X-Cal 2 Handheld Tuner w/Custom DynoTune
-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 - 535 RWHP / 520 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