Return to (2017-2019 L5P) Duramax 6.6L PRO Performance Module
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2018 Chev HD 2500 March 13, 2019
Reviewer: William H Gahagan from Sarasota, FL United States  
Super easy install. I was averaging 9-10 mpg around town and jumped to 14-15.
Definitely runs less restricted!!
Would buy it again!

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2017 GMC Denali February 17, 2019
Reviewer: Terence Carroll from Stevensville , MD United States  
module works great, more power and better fuel economy. highly recommend !!

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2018 November 9, 2018
Reviewer: Robert Jorgensen from Valrico, FL United States  
2500HD

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November 1, 2018
Reviewer: Noel Wellborn from Johnstown, CO United States  


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2017 August 23, 2018
Reviewer: William Hammock from wilson, NC United States  
2500 Chevy

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2017 duramax July 20, 2018
Reviewer: Thomas Cook from Magnolia, TX United States  
to soon to tell, only been installed a week

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I Love This Product July 7, 2018
Reviewer: Anonymous Person  
I just wanted to say I love this product, I have no way of telling what the HP gain truly is but the fuel economy is fantastic. I never saw 24.4 mpg on the highway before adding this box, even my city mileage has increased by 3 mpg. I would recommend it to anyone that wants to gain some power, add fuel economy and not do the deletes, it's great. Thank you ! RM - Pennsalvania

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