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Chevy Astro Power Programmers & Performance Tuners

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews


Unleashed the POWER of my 2012 Silverado 1500 4wd!!!

Reviewed By joseph f (SUMTER, SC) Reviewed for a 2012 Chevy Silverado —2/26/2015 9:12 AM

plug and play...this tuner literally unleahed the beast in my Silverado. I deleted the AFM system, set shift firmness to 50%, and tires set to 35"!! She RIPS down the road now. No irregular shift going downhill!!! THE MOST IMPORTANT is my MPG went from a dead on 11.5MPG to 15MPG. ALL is perfect now!!! BUY ONE< YOU WONT REGRET IT!!!!!!!!!

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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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Jet Performance Programmer Reviews


impressed so far

Reviewed By Justin C (NAVAL AIR STATION/ JRB, TX) —8/24/2014 7:14 PM

I haven't measured fuel mileage so far, but shifting is smoother. Very easy to install.

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