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Katy Performance Chips

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


Solved that annoying back and forth shifting

Reviewed By Roger C (Wetumpka, AL) Reviewed for a 2011 GMC Sierra —12/25/2014 8:16 PM

I bought my truck used and knew nothing about the "economy" shift to 4 cylinders. My truck did it like crazy and I thought my transmission was broken. Did some research and found this product. Works as advertised. And I like it.

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Jet Performance Module Reviews


Improved driveability

Reviewed By Viking P (Grand Rapids, MI) Reviewed for a 2015 Chevy Silverado —12/23/2014 12:27 PM

The JET PCM not only improved power but also truck driveability. Initial acceleration from a stop and while moving greatly improved.

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Range Active Fuel Management Disable Device Reviews


GM's AFM disabler.

Reviewed By Todd P (New Franken, WI) Reviewed for a 2007 Chevy Tahoe —12/22/2014 12:48 PM

This product does what it states, leaves truck in 8 mode. Plug and go simple connection. I installed a on off switch for it so when the truck sits for a few days the battery will not drain.

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