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GMC Safari Performance Chips & Programmers

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Great buy

Reviewed By Kolton B (LEVELLAND, TX) Reviewed for a 2009 GMC Sierra —7/19/2016 11:58 PM

Got here extremely fast, works excellent.

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HYPERTECH MAX

Reviewed By James M (Escondido, CA) Reviewed for a 2002 Dodge Ram —1/20/2017 3:53 PM

I have just completed 1,000 miles 2 tanks of fuel,lot better shift points,stays in overdrive below 45 MPH. From 18.5 to 23.7 MPG,what can't you like.!!!!!!

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Reviewed By SHAWN S (Saint Augustine, FL) Reviewed for a 2015 Toyota Tundra —1/15/2017 6:15 PM

Awesome product!!! Great step by step instructions. Had 0 problems with the installation, it took about 45 minutes from start to finish. I would recommend you measure your tire to get the exact size. I upgraded to a 22in wheel with 35s and programmed 35s first and it was still off 2 MPH. Once I measured and saw that it was really a 34, I programmed that in and it was perfect. Much smoother shifting too. I also noticed a 2mpg gain too!!! This is a must if you have a lift Tundra with 35s or larger

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