Looking for an easy way to boost the performance of your 5.9 Cummins engine? Look no further than the Airaid 300-139 Cold Air Intake. This simple modification replaces your stock air box, air filter and intake tubing (where applicable) with high-flow components that significantly increase horsepower and torque. Additionally, the Cold Air Dam panels block out hot engine bay air, ensuring that your engine is getting a steady supply of cool, dense air. The Airaid 300-139 is easy to install using commonly available tools, and comes with a No Hassle Lifetime Warranty for peace of mind. So don't wait any longer – pick up an Airaid 300-139 today and feel the difference!