Fixing the Stock LML Duramax Intake Bottleneck

If you're looking to get a bit more life out of your truck, upgrading your lml duramax intake is usually one of the first things on the list. It's a simple bolt-on that makes a noticeable difference without breaking the bank or requiring a master's degree in diesel mechanics to install. Let's be honest, the factory setup on the 2011 to 2016 Chevy and GMC 2500/3500 trucks isn't exactly "bad," but it's definitely built for a specific kind of driver—the one who wants their truck to be as quiet and unnoticeable as possible. If you're reading this, you probably don't fall into that category. ...

February 10, 2026 · 6 min · Geri Berkowitz