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GMC Sierra Performance Chips & Programmers

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


Ron, indiana

Reviewed By Ron H (LA PORTE, IN) Reviewed for a 2008 GMC Sierra —5/22/2016 7:31 PM

Truck runs much better, trans shifts smoother, no gas mileage loss at all, great product!

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Hypertech Max Energy Programmer Reviews


Bill's z71

Reviewed By Bill H (Ponchatoula, LA) Reviewed for a 2011 GMC Sierra —5/13/2016 6:27 AM

So far I like the performance but really didn't get a fuel mileage increase and also needs some better instructions on how to adjust all the settings. For example how to adjust shift points for certain program's

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TruXP Xtune Performance Tuner Reviews


Great!

Reviewed By Samuel V (CARTHAGE, TX) Reviewed for a 2006 GMC Sierra —4/17/2016 11:19 PM

Does what it says but no more, over all satisfied

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