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GMC Envoy Power Programmers & Performance Tuners

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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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DiabloSport inTune i2 Tuner Reviews


Works great

Reviewed By Kevan C (Hagerstown, MD) Reviewed for a 2012 GMC Sierra —7/5/2017 2:02 PM

Bought a pre-owned Sierra 1500 with the Vortec 6200 where the previous "computer" calculated MPG was 10.2 average. I cleared the computer, installed the MPG default tune with firm shift. With 2 tanks of regular 87 octane I now get overall "computer" average of 16.7. I will hand calculate at next fill-up.

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DiabloSport PC Interface - USB Cable Kit Reviews


Great buy

Reviewed By Kolton B (LEVELLAND, TX) Reviewed for a 2009 GMC Sierra —7/19/2016 11:58 PM

Got here extremely fast, works excellent.

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