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Marietta Performance Chips

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Latest Customer Reviews

TruXP Xtune Performance Tuner Reviews


Does what It says

Reviewed By Judd B (WEST LAFAYETTE, OH) Reviewed for a 2007 Chevy Tahoe —6/20/2016 12:45 PM

Was looking to firm up my transmission shift points and disable the Active fuel Management system, This unit allows that to happen. I wish the instructions were a bit more specific as to what every setting can and will do, but I guess I'll figure it all out eventually. The performance tune is a noticeable difference from your stock tune but again I wish I had more details about the tune itself.

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Jet Performance Module Reviews


JET 1 V6

Reviewed By Paul T (ROCHESTER, NY) Reviewed for a 2012 Chevy Camaro —6/14/2016 8:46 PM

I waited till I used up 2 tanks of fuel. It does not increase MPG. The instructions are horrible, just watch you tube, it's a shame that Jet gave out such weak instructions. It is easy to do if you watch a video. In an automatic on the camaro there is a dead spot in drive it cleared that up which made me happy. Responses really well when you accelerate.

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Range Active Fuel Management Disable Device Reviews


2008 gmc yukon denali

Reviewed By Osvaldo G (HOPKINS, MN) Reviewed for a 2008 GMC Yukon —6/11/2016 10:07 PM

exactly as says good product I recommend you save good money

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