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GMC Jimmy Power Programmers & Performance Tuners

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


Happy 5.4

Reviewed By American P (Mishawaka, IN) Reviewed for a 2002 Ford F-250 —2/10/2016 9:20 AM

Very easy to use by just following the readout on the Hypertec. My truck is getting 2 more mpg and has much better low and midrange power. I have it set for low octane to save the bucks but it runs great. I'm really happy with the purchase

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Jet Performance Programmer Reviews


Absolutely in love!

Reviewed By Jeffrey C (MADISON, TN) Reviewed for a 1998 Chevy C/K 1500 —10/12/2015 8:14 PM

worth every penny! It gave me a lot more gains in hp than I was expecting. I would recommend to anyone!!

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DiabloSport PC Interface - USB Cable Kit Reviews


Great Product

Reviewed By Donald P (Junction City, KS) Reviewed for a 2008 Chevy Corvette —7/4/2014 9:05 PM

Product came fast and worked great. I would always prefer autoanythjng over its competitors.

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