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 custom flash device please check your e-mail after placing your order. Your order confirmation e-mail contains a link to our custom tune device form which must be filled out to properly process your order. Turn around time for tuning is 5-10 business days and subject to change due to high demand.
**Please contact us directly for international shipping arrangements.