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GMC Sierra Power Programmers & Performance Tuners

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Latest Customer Reviews

Hypertech Max Energy 2.0 Programmer Reviews

great product.

Reviewed By Jordan T (MEDFORD, OR) Reviewed for a 2011 GMC Sierra —11/18/2015 8:13 PM

Super easy to use. Noticeable gains in power and fuel economy.

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Range Active Fuel Management Disable Device Reviews

Awesome product!

Reviewed By Chris S (Trenton, MI) Reviewed for a 2015 GMC Sierra —11/13/2015 6:47 AM

Range module worked awesome on my new 2015 Sierra Denali! Got rid of the jerky transmission and the constant changing between V8 and V4 mode. No more grinding noises when going from V4 to V8.

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DiabloSport Trinity T-1000 Programmer Reviews

One vehicle at a time

Reviewed By nathan s (MILLS, WY) Reviewed for a 2014 GMC Sierra —9/19/2015 5:38 AM

This is an awesome product. Installed right away and had a very noticeable difference just on my stock 6.2l gmc. I don't have anything modified yet but this still gave it bigger balls. The only bad part is even with the expensive price, you can only install on one vehicle at a time. You have to restore factory tune on last vehicle before new vehicle is set

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