Reviewed By Terry L (Killen, AL) Reviewed for a 2010 Chevy Silverado —2/12/2016 8:34 PM
Put 3.73 gears in 2010 Siverado. Dealer could not calibrate speedometer. Did myself with Hypertech Speedometer Calibrator. Well pleased.
Reviewed By Jason C (Danville, IN) Reviewed for a 1998 Mitsubishi 3000GT —5/14/2015 2:42 AM
in my opinion it's one of the best things you can do to open up your performance in your vehicle once you've done the Exhaust upgrades and cold air intake you can see a big boost in performance I can even sure from now and all 5 gears