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1997 GMC Suburban Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


Pleased

Reviewed By Stan R (Channelview, TX) Reviewed for a 1996 GMC Suburban —1/23/2012 5:57 AM

Plugged it in and it did the tuning. Noticed change in power and mpg immediately.

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DiabloSport PC Interface - USB Cable Kit Reviews


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 Speedometer Calibrator Reviews


Love It!!!

Reviewed By David S (VIRGINIA BEACH, VA) Reviewed for a 2007 Toyota Tundra —2/17/2017 5:54 AM

Bought it cause I put 35's on my Tundra and I was about 5mph off comparing to GPS. Also noticed shift points were off along with gas mileage. This calibrator not only allows you to fine tune the speedometer but it also brings the shift points back to factory settings. I am now back to 18+mpg on highway and 13-14 aound town and I am heavy on the right foot. Easy install, just make sure to zip tie to prevent rattles behind the dash. Highly recommend.

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