50-70121T Momentum HD Cold Air Intake System with Pro 10R Filter

• Adds up to +8 HP and +12 lb-ft of torque
• Improved performance over the restrictive stock intake
• 9” tall, washable, and reusable with ten layers of progressive cotton gauze media
• Heat-resistant XLPE construction minimizes engine heat exposure
• Includes stainless-steel clamps and silicone coupling for durability
• No cutting or drilling required—a direct bolt-on upgrade

Unlock More Power and Efficiency

Take your 2020-2024 GM 3.0L Duramax LM2/LZ0 to the next level with the aFe Power Momentum HD Cold Air Intake System. This high-performance intake is designed to boost horsepower and torque, delivering dyno-proven gains of up to +8 HP and +12 lb-ft. With a 60% increase in airflow over the stock intake, your Duramax breathes easier, leading to better throttle response and improved fuel efficiency. Whether you’re towing, off-roading, or just cruising, this system provides the power and filtration you need to keep your engine performing at its best.

Advanced Engineering for Maximum Performance

The Momentum HD intake features a massive 9” Pro 10R air filter with ten layers of progressively finer cotton gauze media for unmatched filtration and airflow. Its sealed one-piece housing is made from heat-resistant cross-linked polyethylene (XLPE) and integrates factory air scoops for optimal airflow. A clear sight window allows for quick filter inspections without disassembly, while the dyno-tuned intake tube is precision-designed for maximum power gains. With stainless-steel clamps and a durable silicone coupling, installation is quick, easy, and secure—no cutting or drilling required.

• This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.