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GMC Yukon XL Jet Performance Chips & Programmers

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Latest Customer Reviews

Jet Performance Module Reviews


What a difference!

Reviewed By Julian P (Newark, NJ) Reviewed for a 2009 GMC Yukon XL —3/26/2013 3:56 AM

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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Jet Performance Programmer Reviews


4.2 GAME CHANGER

Reviewed By Linda R (Titus, AL) Reviewed for a 2008 Chevy Trailblazer —10/19/2017 4:11 PM

Jet seems to be the only programmer that works for the 4.2 chevy inline 6. No problem with the installation and I noticed an instant increase in the low end power. this is where the 4.2 really sucks. Don't know why they did not use the 4.3.

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