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1999 GMC C/K 2500 Power Programmers & Performance Tuners

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


Hypertech Max Energy Programmer Experiance

Reviewed By Dave K (Pueblo, CO) Reviewed for a 2001 GMC C/K 2500 —11/5/2014 8:58 AM

First of all I was impressed with how quick it arrived, the experience in using it!I after installing it and driving it I was totally impressed with the acceleration especially from 20 mph onward, the truck acted like it had a blower on it, and when I hooked up my toyhauler which was the main reason for getting the chip, I was very impressed by how it seemed like my truck doesn't have to work as hard pulling,didn't help mileage empty or pulling I have 01 GMC 6.0 200600

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DiabloSport Predator P2 Tuner Reviews


Ease and performance

Reviewed By Ted T (Scottsdale, AZ) Reviewed for a 2006 GMC C/K 2500 —2/4/2012 8:45 AM

It was very easy to install and I am very satisfied with the difference that I have noticed in performance and increased miles per gallon. I drive a 2006 GMC, 2500 HD, crew cab, with Duramax 6.6liter and am getting about 10% better MPH.

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TruXP Xtune Plus Performance Tuner Reviews


Easy to use

Reviewed By Grant C (HARLAN, IN) Reviewed for a 2018 Chevy Silverado —6/15/2018 8:30 PM

After a quick update and vin unlock the tuner was easy to use. It would be nice if it included more detailed instructions about adjusting the shift points. I bought it to be able to adjust for tire size and gear ratio. It does both plus includes canned tunes for less than the price of other products that simply correct for tire size.

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