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GMC Power Programmers & Performance Tuners

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Latest Customer Reviews

Superchips Flashpaq Tuner Reviews


The BEST Tuner Available!!!!

Reviewed By jaime f (Antioch, CA) Reviewed for a 2002 GMC Yukon XL —6/25/2015 9:55 AM

Compared the fashpaq tuner to others on the market and this is the best product for the price! Does it all! AutoAnything has the best prices than their competition by far! Great job guys!

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Range Active Fuel Management Disable Device Reviews


Works as Advertised

Reviewed By peter v (Middletown, RI) Reviewed for a 2008 GMC Sierra —6/22/2015 3:24 AM

The AFM Disable is a great device. I've had it installed for roughly 1 month and it does exactly as is claims to, and no more. My base idle seems to be getting smoother and I don't miss the sometimes jerky transitions between 4 and 8 cylinders (especially noticeable if it occurs during a trans downshift. I'm not noticing a real impact in actual fuel mileage. I'd rather have a smoother running, longer lasting engine regardless.

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Hypertech Max Energy Programmer Reviews


The old gas hog!!!

Reviewed By Steve G (SHAWNEE, KS) Reviewed for a 2004 GMC S15 Pickup —6/13/2015 12:07 AM

I like the programmer, I wish it could do more to help or improve the gas mileage on my truck! 16 MPG before the installation, and 18 mpg after the installation.The increase was and is appreciated, I would like 24 or 25 MPG even better.I guess you can only do so much, with what you have to work with.

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