Upgrading Your L5P Down Pipe for Better Performance
If you're looking to squeeze more efficiency out of your Duramax, swapping out the factory l5p down pipe is a move that just makes sense. It's one of those parts that many people overlook because it's tucked away behind the engine, but once you see the stock version compared to an aftermarket one, you'll realize why it's such a common upgrade. The factory pipe is notorious for being restrictive, and in the world of diesel performance, restriction is the enemy of power and longevity. ...