aFe 51-32322 Magnum FORCE Stage-2 Pro 11-16 Silverado/Sierra 6.6L V8 Duramax LML

Vehicle Fitment

• 2011-2016 Chevrolet Silverado 2500HD/3500HD (WT/LT/LTZ/High Country, 6.6L V8 Duramax LML)
• 2011-2016 GMC Sierra 2500HD/3500HD (Base/SLE/SLT/Denali, 6.6L V8 Duramax LML)

Features

• Increases airflow by up to 32% over the factory intake system
• Dyno-proven gains of up to 13 horsepower and 16 lb-ft of torque
• 7.5-inch tall conical Pro DRY S air filter with inverted top for maximum flow
• Oil-free, washable, and reusable 3-layer synthetic media for easy maintenance
• 3.5-inch diameter black powder-coated aluminum intake tube for improved airflow
• One-piece 18-gauge powder-coated steel heat shield minimizes engine heat ingress
• Utilizes factory mounting locations for a hassle-free installation
• Compatible with vehicles equipped with electric fans

Specifications

• Filter Media: Pro DRY S (3-layer synthetic, oil-free)
• Filter Dimensions: 7.5-inch height, conical shape with inverted top
• Intake Tube: 3.5-inch diameter, black powder-coated aluminum
• Heat Shield: One-piece 18-gauge powder-coated steel
• Airflow Increase: Up to 32% over stock intake system
• Horsepower Gain: Up to 13 HP
• Torque Gain: Up to 16 lb-ft
• Installation: Direct bolt-on using factory mounting points
• Emissions Status: Not CARB exempt; not legal for sale or use in California

Included Components

• Pro DRY S oil-free air filter
• 3.5-inch diameter black powder-coated aluminum intake tube
• One-piece 18-gauge powder-coated steel heat shield
• Silicone couplings and stainless-steel clamps
• All necessary installation hardware
• Comprehensive installation instructions

Product Description

The aFe 51-32322 Magnum FORCE Stage-2 Cold Air Intake System is engineered to enhance the performance of your 2011-2016 GM 2500HD/3500HD equipped with the 6.6L V8 Duramax LML engine. By replacing the restrictive factory intake system, this upgrade delivers significant improvements in horsepower, torque, and throttle response.

Featuring a large 7.5-inch tall conical Pro DRY S air filter with an inverted top, this system ensures maximum airflow and filtration efficiency. The oil-free, washable, and reusable 3-layer synthetic media simplifies maintenance without compromising performance. The 3.5-inch diameter black powder-coated aluminum intake tube and one-piece 18-gauge powder-coated steel heat shield work together to reduce intake temperatures and enhance airflow.

Installation is straightforward, utilizing factory mounting locations and requiring no cutting or drilling. The system is compatible with vehicles equipped with electric fans. Please note that this intake system is not CARB exempt and is not legal for sale or use in California.