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GMC Suburban Power Programmers & Performance Tuners

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Latest Customer Reviews

DiabloSport inTune I-1000 Tuner Reviews


Response

Reviewed By Justin S (Hartland, WI) Reviewed for a 2014 GMC Sierra —8/25/2015 9:10 PM

Finally the response is still there. Soon a custom toon will be added for even more out of the ecotec 3 v8! Love the tuner.

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Superchips Cortex Programmer Reviews


Easy to use and update- gain of 3MPG

Reviewed By Scott H (Oak Creek, CO) Reviewed for a 2007 Chrysler Aspen —8/8/2015 10:33 AM

A 5.7L HEMI is a gas guzzler by definition. That being said, I would od an add on here, another there, when I could get products on sale at AutoAnything. So, with this, and the K&N cold air system, throttle body spacer, Accel super coils, plasma plugs, and Magnaflow exhaust, I effectively went from an average of 13.5 to 19.5 MPG- in the mountains, mind you. The Superchips programmer worked in tandem with these, to give me the last three MPG average upgrade.

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