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GMC Sierra Power Programmers & Performance Tuners

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews

Range AFM Disabler - Wish I had purchased this earlier

Reviewed By Jerard D (Youngsville, LA) Reviewed for a 2008 GMC Sierra —2/10/2015 10:58 AM

This is a great little device. It does exactly what it is supposed to do. My 2008 5.3L Sierra 4x4 has been using about 1qt of oil every 1000 miles since about 45,000 miles. The truck now has about 73,000 miles. I've been adding Rislone engine treatment with each oil change ever since discovering the oil issue to help prevent the control rings from sticking due to the oil burnoff. Well, I can tell you that I've driven about 600 miles since plugging in the Range device and have not lost one drop of oil yet. And as an added bonus, I find the transmission downshifts a whole lot smoother. There is also no more V-4 to V-8 power lag(instant power) and the fuel mileage has not really changed. The driving experience has been greatly improved in my opinion, feel like I have a new truck again. I'm waiting for summer blend gas to hit the stations to see what kind of mileage I'll get.

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DiabloSport inTune I-1000 Tuner Reviews

Great seller

Reviewed By nicholas w (Lancaster, SC) Reviewed for a 2009 GMC Sierra —1/20/2015 1:46 AM

Great product

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Hypertech Max Energy Programmer Reviews

great programer

Reviewed By John W (Havre De Grace, MD) Reviewed for a 2013 GMC Sierra —1/10/2015 1:52 PM

Great for larger tires for speedometer and extra power to turn them.

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