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2003 GMC Yukon XL Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews


gas milage and horse power

Reviewed By Mike P (MAUMEE, OH) Reviewed for a 2003 GMC Yukon XL —8/14/2011 6:17 PM

my 2003 yukon xl 6.0 has good gas milage with a lot more pick up combind with a jet mass air flow sensor and magnaflow exhaust system. anything auto was less than anyone else

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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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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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