51-74004 Momentum HD Cold Air Intake System with Pro DRY S Filter

• +20 HP and +57 lb-ft torque gains
• Keeps air cool and protects against contaminants
• Oil-free, 3-layer synthetic filter with 99.2% filtration efficiency
• Premium stainless steel T-bolt clamps provide a secure installation
• Bolt-on design with no cutting or modifications required

More Power, More Airflow, More Performance

Upgrade your 2007.5-2010 GM 6.6L Duramax LMM with the aFe Power Momentum HD Cold Air Intake System and experience the difference better airflow can make. Designed to maximize horsepower, torque, and efficiency, this intake system outflows the stock intake by 42%, resulting in +20 HP and +57 lb-ft of torque. Whether you're hauling heavy loads or just looking for a smoother, more responsive ride, this system ensures your engine gets the cool, dense air it needs for peak performance. Plus, the aggressive styling and deep intake sound will give your Duramax the powerful presence it deserves.

Cutting-Edge Engineering for Maximum Airflow

The Momentum HD intake system features a one-piece, sealed housing with an auxiliary air scoop, designed to keep air temperatures low and performance high. The massive PRO DRY S filter delivers 99.2% filtration efficiency with an oil-free, three-layer synthetic media, ensuring superior protection and easy maintenance. A reinforced metal wrap around the filter prevents collapse under high airflow demands. The dyno-tuned intake tube optimizes airflow, while premium stainless steel T-bolt clamps and a 2-ply reinforced silicone coupling ensure a secure, long-lasting installation. Best of all, the quick, bolt-on design allows for hassle-free installation with minimal parts.

• Some or all of the applications listed are 50-state exempt, please see CARB EO# D-550-18 for details.