2020-2022 Duramax Emissions Off Power Package
We've put together our most popular products and our staff favorites into one easy space for the 6.6L Duramax. Everything listed on this page will work together without issue.
Whether you're looking for a single tune, or you're building a race truck; this page is a great starting point. Just select the parts you need, and add them to the cart at the bottom of the page.
Choose your Tuning
The MPVI3 is the industry standard for tuning your 6.6L L5P. If you're looking for our recommendation for tuning your truck, this is it.
Please be sure to input your VIN and Modifications at the bottom of the page so we can have the custom tuning written as soon as possible.
CSS Tuning Package
Package Includes:
Power Level:
- Stock Delete
- +45HP
- +75HP
- +90HP
- +120HP
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AMDP Tuning Package
Unlock your L5P's true potential with AMDP Custom Tuning. These tune files will range from Stock Delete up to 150HP Race tunes.
Package Includes:
- HPTuners MPVI3
- 8 Credits
- 5 Custom Tune Files
- Canbus Harness (NOX Plugs)
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