aFe Power 50-74002 Momentum HD Cold Air Intake System w/ Pro 10R Filter | 2004.5-2005 GM 6.6L Duramax LLY

• +19 HP & +33 lb-ft torque
• Massive Pro 10R Air Filter with 1,000 CFM flow capacity
• Auxiliary air scoop with urethane plug enhances airflow and adapts to extreme conditions
• Premium stainless steel T-bolt clamps ensures a secure, leak-free connection
• Easy, bolt-on installation

Unleash the Full Potential of Your Duramax

Upgrade your 2004.5-2005 GM 6.6L Duramax LLY with the aFe Power Momentum HD Cold Air Intake System, designed to maximize airflow, boost horsepower, and improve throttle response. This high-performance intake system delivers up to 19 additional horsepower and 33 lb-ft of torque, while outflowing your restrictive factory intake by 43%. The result? More power, better fuel efficiency, and a smoother ride—all in a sleek, aggressively designed system. Whether you're towing, hauling, or just looking for extra performance, this intake system will help your Duramax breathe easier and perform stronger.

Advanced Engineering for Maximum Performance

The Momentum HD Cold Air Intake features a one-piece, sealed housing with an auxiliary air scoop, ensuring the coolest, cleanest airflow possible. Its massive 1,000 CFM Pro 10R air filter features 10 layers of progressive oiled cotton gauze media, providing 99.59% filtration efficiency to keep your engine protected while maximizing airflow. The roto-molded intake tube is CAD-designed and dyno-tuned to optimize performance, while premium stainless steel T-bolt clamps and a reinforced silicone coupling provide a durable, secure fit. Plus, with a clear sight window for easy filter inspection and a hassle-free installation process, upgrading your truck has never been easier!

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