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GMC Jimmy Power Programmers & Performance Tuners

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Great buy

Reviewed By Kolton B (LEVELLAND, TX) Reviewed for a 2009 GMC Sierra —7/19/2016 11:58 PM

Got here extremely fast, works excellent.

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Hypertech Max Energy Programmer Reviews


R. Lewis

Reviewed By Ronnie L (SCOTLAND, TX) —11/30/2016 4:33 AM

Installed this in my 2006 Ford Expedition. I set it for 87 octane fuel. It really woke up the engine performance and I am seeing 2mpg better in town and 3 to 4 better on the highway.

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SCT X4 Power Flash Programmer (49-State Legal) Reviews


Relatively Straight Forward

Reviewed By Kirk B (LONE JACK, MO) Reviewed for a 2010 Chevy Camaro —11/10/2016 2:39 PM

I really purchased this tuner so I could purchase/upload a custom tune for my 2010 Camaro after I install my long tube Kooks headers with hi-flow cats. In the interim, I hooked it up and adjusted some parameters (axle ratio, idle RPM ) and uploaded SCT's tune. Seems straight forward. I'm not sure I can feel a seat-of-the-pants difference. I did notice the tuner already has a tune on it for long tube headers! I will upload that tune and evaluate before purchasing a custom tune.

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