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GMC Envoy Performance Chips & Programmers

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Latest Customer Reviews

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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Superchips Flashpaq F5 Tuner Reviews


gmc truck transformer

Reviewed By calvin t (ELLERBE, NC) —2/20/2017 5:15 PM

I use to like my truck now I love my truck because of you.it smokes the tires taking off and barks them in 2/3/&4 in my 8 speed automantic trans/ it use to cut off at a 100mph now I have had it to 130mph and had to let off because of a curve/ when I get it on a straight road I will let you now how fast it will run

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DiabloSport inTune i2 Tuner Reviews


EXCELLENT TUNER

Reviewed By Marco A (SPOTSWOOD, NJ) Reviewed for a 2014 Chrysler 300 —2/17/2017 8:14 AM

Excellent tuner. Very easy to use. The tuner walks you through every step. The car feels better. Even though you need to use 91 octane, it has much better MPG that makes up for the cost.

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Year Range For GMC Envoy Performance Chips & Programmers