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2005 GMC Envoy Performance Chips & Programmers

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


Maintenance Man

Reviewed By Eugene H (GREEN BAY, WI) Reviewed for a 2007 GMC Envoy —11/11/2015 6:24 PM

My 2007 Envoy was using about a quart of oil every one thousand miles if a majority of those miles was highway it seemed to use even more oil. I have put on about 700 miles after installing the chip and the dipstick reading shows no oil use so far. Also noticed the rpms at highway speeds run about 200 lower than with the active fuel management putting engine down to 4 cylinders. Noticeable power increase and computer miles per gallon readings have gone up a little.

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Jet Performance Module Reviews


seems to do the job

Reviewed By jeff l (POTTSTOWN, PA) Reviewed for a 2003 GMC Envoy —8/22/2013 10:56 AM

I purchased this for my 2003 Envoy XL 4.2L V6 for towing mostly. I also have a K+N cold air intake. My wife and I have noticed a difference in shifting gears, lower RPM's in regular driving and towing, more power where it needs to be, but have not seen a drastic change in fuel economy. Have only had it installed now for 3 weeks. I would certainly recommend this to anyone.

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DiabloSport inTune i2 Tuner Reviews


Major increase

Reviewed By Larry L (Yankton, SD) Reviewed for a 2014 Ford Explorer —6/10/2016 9:29 PM

Rated 4 stars only because I had some trouble tuning my vehicle and called Diablo twice first time was on hold for 50 min and second time someone answered after 55 min and told me everyone had went home for the day they took my name and number and said someone would be getting into contact with me the next day they never did so good luck if you have any trouble I figured it out myself .

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Year Range For GMC Envoy Performance Chips & Programmers