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5 Power Mods For the Shelby GT500 Mustang

Mods For the 2007 - 2008 Shelby GT500 Mustang

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No doubt about it, the new generation Shelby GT500 Mustang is fast. Sporting a supercharged 5.4-liter four-valve V-8 engine under its hood, this car is capable of laying down some serious rubber. Even better, with a few additional add-ons, you can further increase the performance power of this Shelby creation. The following are five products designed to make the Shelby GT500 Mustang even faster.

JLT GT500 Carbon Fiber Cold Air Intake

This cold air intake system is a popular upgrade for many Shelby GT500 owners. Produced by JLT Performance, Inc. and Evolution Performance, this system is said to output between 70-80 additional horsepower to the rear wheels when combined with an SCT, or similar, custom tune. The product retails for around $449.99.
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Corsa Axle-Back Exhaust System

The Corsa exhaust system #14311 is said to produce a 43-percent gain in exhaust flow over the stock GT500 system. According to reports, this system provides about 14 additional horsepower to the rear wheels. It features 304 stainless-steel construction and bolts-on directly to the factory X-pipe. The system retails for around $918.99.
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Kenne Bell Twin Screw Supercharger Kit

Available in either stage 1, 2, or 3 kits, this system is said to boost the GT500's power to the 540 – 801 hp range with a 10-23 psi boost. The system is designed to work with stock emission components and meets most state smog requirements. Retail price on this kit is in the $6,499.99 range.

Metco Motorsports 2.6 Supercharger Pulley

According to the company, this supercharger pulley replaces the stock 3-inch supercharger pulley with one 2.6-inches in size. It increases the GT500's boost levels about 4-5 psi. This product is said to result in about 30 additional horsepower. Retail price is $159.99, and the upgrade requires a custom tune.

Steeda Shelby GT500 Cold Air Intake Kit

This cold air intake kit, combined with an SCT XCalibrator 2 custom tune, is said to produce up to 97 additional horsepower to the rear wheels. The kit retails for $389.95 and the tuner is about $399.00.
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