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2007 GMC Yukon XL Performance Chips & Programmers

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Latest Customer Reviews

Superchips Cortex Programmer Reviews


Incredible Programmer

Reviewed By Christopher T (Charleston, WV) Reviewed for a 2007 GMC Yukon XL —8/10/2011 6:36 AM

I added new tires and rims to my Yukon XL. It was driving awful until I used the Cortex Programmer. It allowed me to set tire height and choose the 87 Octane tuner as well. I took the speed limiter off too. It shifts smooth and gets better gas mileage than it did before I put the larger tires on. It has much more power and really drives much better. Thank you Autoanything and Superchips. Without it, I would have went broke putting gas in the vehicle or would have had to sell the new rims and tires.

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Hypertech Max Energy Programmer Reviews


Hypertech fixes my 35 in. tires and speedometer

Reviewed By Richard B (Thatcher, AZ) Reviewed for a 2007 GMC Yukon XL —12/1/2009 12:55 PM

Easy to use and easy to install. This item did exactly what it said. I purchaed my '09 Jeep Wrangler Rubicon with oversized tires (35 in. dia.) and from the dealer, the speedometer was way off and I was buring all sorts of fuel. After the reprogram, it was great. Gas was pretty good and the speedometer was right. Too bad the dealer (Chapman Jeep in Scottsdale, AZ) did not opt to correct, even though the item was purchased as they designed from the lot! All well, Hypertech took care of the problem at a reasonable price. One drawback, error codes must be called on and tech support is only open M-F (banker hours). If you purchased on the weekend, well, you just have to wait because the codes are not easily found...even online.

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Range Active Fuel Management Disable Device Reviews


Range AFM Disable

Reviewed By Mark Z (MOUNTAIN TOP, PA) Reviewed for a 2015 GMC Yukon XL —3/17/2015 8:39 AM

Installed on new 2015 yukon xl. Takes a second to plug it in, and after 3weeks my mpg is the same it was without the disable. The truck doesn't have the low rumble in 4 cylinder or the bump when it would change from 4 to 8. So if my mileage is the same it's kind of a no-brainer. Only wonder about dealer picking up on it. I'll give it 4 star for now 5 star when there is no long term issues.

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