2004.5+ 7.8L Duramax TS PERFORMANCE MP-8 Pro Medium Duty Module
Easy Installation
Plug & Play
Does not leave fingerprint in the factory computer
Excellent Choice for towing
Does not increase exhaust temperatures & increases fuel mileage.
The MP-8 offers a 2-4mpg increase!
In-Cab Adjustable
Stock to 30% Horsepower Gain!
Easy to install with step by step instructions
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