Building a Rocket Ship: How to Modify the LML Duramax

-Advertisement- -Advertisement- Imagine driving a brand new Duramax with twice the factory horsepower. Obviously, your rig wouldn’t roll out of GM like that, but that doesn’t mean you couldn’t build it yourself. Thanks to a host of high quality, well-refined products being offered throughout the diesel aftermarket, it’s not hard to get a 2011-2015 LML … Continue reading Building a Rocket Ship: How to Modify the LML Duramax