aFe Power Diesel Air Filter for Chevrolet Silverado 3500 Duramax 2001 - 2004

Bringing you the next generation of intakes, the Momentum HD sealed air intake system is designed using the most up-to-date engineering tools and techniques to provide you with the perfect blend of power and protection. This intake system is superior in every way. From the one-piece sealed housing with a built-in sight window to the massive 1,000 cfm air filter and premium hardware, we spared no expense to give you the best intake on the market.Unique One-Piece Housing:The smooth one-piece sealed housing with auxiliary air scoop is used to eliminate the use of multiple-piece housings and ensure the coolest air intake charge available. A urethane plug is also included for those cold weather applications where you want to block the auxiliary air scoop. A large, clear sight window is used for a hassle-free filter inspection.Roto-mold Tube:This System uses a C. A. D designed, dyno-tuned, roto-mold intake tube to achieve maximum power gains while maintaining a perfect fit.Huge 10-Layer Pro 10R Performance Air Filter:The Momentum HD is designed around a massive 1,000 cfm 360 degree radial flow performance air filter with 10-layers of progressive cotton gauze oiled media providing 99. 59% cumulative efficiency (independently tested). The unique air filter to housing interface (PATENT PENDING) allows for maximum filter size which increases the available air volume while simplifying the installation process. The air filter is wrapped in reinforced metal providing maximum strength to prevent filter collapse.Premium Hardware:Premium stainless steel T-bolt clamps and a 2-ply reinforced silicone hump coupling at the turbo is used for strength and durability while also providing the most secure installation available. Momentum HD intakes are designed with fewer parts for a quick and simple installation.Proven Results:After a rigorous design and testing phase, the results are in. The Momentum HD intake system outflows the factory intake by 32% and produces 24 additional horsepower and 44 lbs. x ft. torque.Power, Protection and Simplicity.(PATENT PENDING)Emissions Disclaimer: Some or all of the applications listed are 50-state exempt, please see CARB EO# D-550-18 for details.