Reviewed By Davidwardsd E (Nampa, ID) Reviewed for a 2000 Pontiac Grand Am —5/11/2011 7:12 AM
This help the inside in throttle response the stock fuel maps to the best mix
Reviewed By Christopher W (Troy, MO) Reviewed for a 2007 Hummer H2 —3/5/2015 11:00 PM
Installation wasnt as easy as stated, had to trim my "factory off road cover". But once that was done, this unit woke up my 6.0 LQ4. Had it for a while now, only bumped mpg by 1 gallon,,,, but worth it! Especially when I show other H2 drivers my readings!