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2012 GMC Sierra Performance Chips & Programmers

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Latest Customer Reviews

DiabloSport inTune i2 Tuner Reviews


2012 gmc sierra 1500

Reviewed By alan r (Freeport, TX) Reviewed for a 2012 GMC Sierra —1/17/2016 10:06 PM

Shipping was crazy fast and it works well

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Range Active Fuel Management Disable Device Reviews


My Range is a blessing

Reviewed By glynn g (minden, LA) Reviewed for a 2012 GMC Sierra —12/16/2015 7:02 PM

I gave it 5 stars because it does EXACTLY as advertised. I have a 2012 GMC with the 5.3. The going in and out between 4 to 8 cylinders was bothersome not to mention the abuse on the front 4 plugs. The Range has stopped all of that. Some people complain about the very small LED lights being on but It doesn't even attract my attention. I consider it money very well spent and highly recommend.

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Hypertech Max Energy Programmer Reviews


ft hyper

Reviewed By frank t (peoria, AZ) Reviewed for a 2012 GMC Sierra —9/2/2015 8:22 PM

Ez installation,notice power right away

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