SCT Performance Tuners - 07-11 Mustang Shelby GT500 & 87-10 GT SCT 6600 Multi-Position Chip Looking for a low cost tuning solution for your 87-04 vehicle? The 6600 Multi-position chip comes with 2 custom tunes and can hold up to 4! Included is the 6600 chip, cable, and switch to alternate between programs. With a custom tuned 6600 Chip you will recieve the following benifits: •Increased horsepower and torque. Click Here for dyno-proven results for all vehicles. •Speedometer correction for different rear end gears and/or tires (99+ vehicles only). •Speed Limiter Removal. •Rev Limiter adjustment (we safely raise rev limiter several hundred RPM's). •Improved throttle response (greatly improved on 05+ Electronic Throttle Control Cars). •Firmer Faster shifting with Automatic Transmission vehicles. •Disabled Traction Control (if desired, 98+ vehicles only). •Lowered cooling fan on / off temperatures (allows engine to run cooler & prevent sluggishness in hot weather). •Improved Gas Mileage. We can adjust the tunes in many ways based on your needs and preferences. With one of our mileage tunes gas engines typically gain 1-2 MPG and diesel engines typically gain 3-4 MPG. Note: Some benifits listed above do not apply to 87-93 vehicles. VMP has extensive experience tuning Fords and other vehicles. When we custom tune an SCT Chip or other tuning device we dont just use generic tunes, we actually tune for YOUR vehicle. We have dynotuned over 1000 cars which gives us the experience necessary to make the best tunes possible based on your vehicle and your needs / preferences. Extensive testing and development allows us to send you mail order tunes that maximize performance gains. Simply select from the options above to order the SCT 6600 chip tailored to your cars specific modifications and your preferences. Note: For a list of vehicles and their Computer Code locations, Click Here. Lifetime warranty on all hardware.