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Chevy Avalanche Range Technology Performance Chips & Programmers

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


Stops AFM dead in it's tracks!!!

Reviewed By Daniel J (MAX MEADOWS, VA) Reviewed for a 2007 Chevy Avalanche —3/12/2014 4:54 PM

The Range AFM Disabler instantly killed the AFM in both mine & my youngest son's '07 Avalanches(we bought two)and my oldest son's '08 5.3L Silverado. It has nearly stopped the oil usage in my son's '07 AV and mine putting out a puff of blue exhaust when starting it up cold. The exhausts on all 3 trucks sound much better. None of ours experienced the erratic transmission shifting as some on here have stated in their reviews. MPG in my '07 & son's '08 decreased by 2 to 3 & other son's 07 rose by 2

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