Not sure which 2009 GMC Yukon XL Performance Chips & Programmers are right for you? We have over 311 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Julian P from Newark, NJ said, "I installed the Jet Performance Module in my Escape. Noticed better pick up and makes the auto shift so much better and smoother.Also install K&N 77 Series Metal Intake Kit Very easy to install ! Looks greats ! You can feel the difference in the power right away also sounds great."
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