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GMC Jimmy Power Programmers & Performance Tuners

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Latest Customer Reviews

Bully Dog BDX Tuner Reviews


its ok

Reviewed By Travis W (Marrero, LA) Reviewed for a 2017 GMC Sierra —5/25/2018 7:34 AM

It ok but it didn't keep it from going from 8 to 4 cly

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Hypertech Max Energy Programmer Reviews


Hypertech Max Energy Programmer 2.0 review

Reviewed By douglas f (IRMO, SC) Reviewed for a 2018 Chevy Silverado —5/10/2018 7:37 AM

This is my third Hypertech, 2010 Silverado, 2010 Camaro & now a 2018 Silverado. I have found these programmers easy to use and quite effective. They offer quite a few options for programming your vehicle to your specific needs. My latest purchase provides the most amount of features to date. I would highly recommend this product if you want to maximize your vehicle's performance, maximize your fuel efficiency and get a solid shift out of your transmission. Hypertech customer service is helpful.

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SCT X4 Power Flash Programmer (49-State Legal) Reviews


Excellent Tuner! Easy to Use!

Reviewed By Justin P (NEW CASTLE, PA) Reviewed for a 2015 Ford F-150 —1/31/2018 5:05 AM

I had never used one before & from start to finish, I was done in under an hour. Really easy to use. I definitely noticed a pleasant increase in power & gas mileage. I recommend!

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