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GMC Envoy Power Programmers & Performance Tuners

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Latest Customer Reviews

Superchips Flashpaq Tuner Reviews


Roy Domke ,

Reviewed By Roy D (OREGON CITY, OR) —5/5/2015 8:42 AM

The super chip was very easy to install, read and follow the instructions , that's it, The minute you start-up and hit the throttle you can feel the difference . Love it

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DiabloSport Trinity T-1000 Programmer Reviews


My Challenge(r) experience

Reviewed By Rob C (Cheyenne, WY) —5/4/2015 2:52 AM

It is a learning curve, as I grew up in the era of non-computerized cars. But it was easy to install, and the "curve" came afterwards. But with a little "coaching" from the manufacturer, have it up and working. It is helping my Challenger perform as I was expecting it to and am very pleased with it. I have a few thing left to learn about it, but will I have a feeling that we will be very close friends, very soon. Both the dealer and the manufacturer are great on the service end of this product.

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Range Active Fuel Management Disable Device Reviews


Makes your truck run like it should

Reviewed By Paul H (POWELL, WY) —5/2/2015 6:14 PM

I wish I had thought of this device. As a 38 year veteran mechanic for GM, I am not a fan of active fuel management. It causes surging, oil consumption and ultimately, early required engine repair. My '09 GMC runs smooth and quiet with excellent throttle response. Towing now is effortless. I haven't tracked the fuel economy for very long but it seems to be better. I shall have to track on the next long trip. Tired of herky-jerky and droning at 45 mph? try this product, I'm sure you will like it

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