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GMC Sierra Performance Chips & Programmers

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Latest Customer Reviews

DiabloSport inTune i2 Tuner Reviews


Works as advertised

Reviewed By Creighton C (Concord, GA) Reviewed for a 2015 GMC Sierra —5/31/2017 9:50 AM

Really woke up the 5.3L in my vehicle using the canned tune. I have the Borla catback system as well so turning off the AFM is a plus, and the transmission shift to firm helps as well. Documentation could be better to help explain parameters for vehicles, etc. But overall I'm pleased and would recommend it.

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Range Active Fuel Management Disable Device Reviews


active fuel management fix

Reviewed By brian m (DOVER FOXCROFT, ME) Reviewed for a 2010 GMC Sierra —5/30/2017 7:58 AM

works great . simple plug and play. seems a little expensive but works awesome

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Hypertech Max Energy 2.0 Programmer Reviews


2014 GMC OIL SAVER

Reviewed By George C (ROANOKE RAPIDS, NC) Reviewed for a 2014 GMC Sierra —5/24/2017 7:40 AM

I bought the Max 2.0 because other reviews had said their trucks had stopped using oil when the 4cyl program had been turned off. I have run this program now for close to a thousand miles and haven't used any oil with the engine running on 8 cyl all the time. Gas mileage has remained about the same as before, I haven't noticed any problems with the Max 2.0 programmer. My 2014 GMC sierra has a lot more horse power running this programmer .

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