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GMC Yukon XL Hypertech Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


2004 gmc yukon xl denali 2500

Reviewed By shane f (Altoona, PA) Reviewed for a 2004 GMC Yukon XL —5/30/2015 5:13 AM

This programmer functioned as intended. It boosted horsepower about 10% which raised my average mpg by 21%. Three extra mpg may not seem like much, but when you're averaging 14 it really helps overall.

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Hypertech HyperPAC Reviews


Met Expectations

Reviewed By Lernes H (Woodbridge, VA) Reviewed for a 2002 GMC Yukon XL —7/20/2010 8:18 PM

-idiot proof installation -tremendous flexibility -improved performance -gadget lovers dream

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Hypertech Max Energy 2.0 Programmer Reviews


Highly Satified

Reviewed By JP P (TUPELO, MS) Reviewed for a 2015 Chevy Camaro —7/5/2016 4:07 AM

Bout this for my 2015 SS Camaro l99 and it makes big difference when you have a cai and catback exhaust!! Feels like I gained close to 40 hp to the rear wheels and the throttle response is impressive and quick !!! Good job hypertech !! ????????

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