2010-2012 Mustang Shelby GT500 650 HP Performance Upgrade Parts
Don't be beat by the new 2013 and 2014 Shelby GT500! Add more power to your 2010, 2011 or 2012 Shelby GT500 with JDM Engineering's Shelby GT500 650 HP Power Upgrade Package!
*All advertised horsepower and torque numbers are results of in house testing on a Dyno Jet with a JDM Engineering Calibration. User results will vary.
NOTE: When ordering a mail order tune please check your e-mail after placing your order. Within 24 hours you will receive an email from Julie@TeamJDM with the tune sheet attached for you to fill out and send back to her. Please check your spam folder as it may end up there due to the attachment and unknown sender. Please allow 10-15 business days for your tuner to be shipped and is subject to change due to high demand and race season.
**Please contact us directly for international shipping arrangements.