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2003 Chevy Blazer Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


Best thing invested

Reviewed By David L (Green Bay, WI) Reviewed for a 1998 Chevy Blazer —5/28/2015 4:35 PM

The truck runs and drives better more power.

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Jet Performance Programmer Reviews


Works great

Reviewed By Ronald R G (Otis Orchards, WA) Reviewed for a 2002 Chevy Blazer —9/7/2013 11:30 PM

I saw a big increase in horsepower and am getting 10 percent better fuel mileage if I keep my foot out of it.

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ScanGauge OBD II Scanner Reviews


Won't drive without it!

Reviewed By Craig L (FRISCO, CO) Reviewed for a 2001 Chevy Blazer —8/11/2013 7:38 AM

Came in a timely fashion. Hooked up in seconds and started working. Easy to follow directions for programming additional gauges. Easy to unplug and store out of site when not in use.

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Year Range For Chevy Blazer Performance Chips & Programmers