S&B 75-5136D Cold Air Intake with Dry Filter | 2020-2021 Silverado/Sierra 2500HD/3500HD 6.6L

2020-2021 GM 6.6L Duramax S&B Cold Air Intake Features:

• 51.83% increase in airflow over the stock intake while still maintaining a 99.05% efficiency level with a dry extendable filter
• Offers better protection against engine heat and a perfect fit
• One piece air tube is positioned in a clean line with minimum obstructions from the throttle body to the air box
• Optional air box plug that can be easily installed or removed depending on your airflow requirements
• Injection molded MAF Sensor Plate ensures quality seal around the MAF sensor with a true OE O-ring seal to prevent air leaks
• Tube seal, coupler, and box plug are made with premium silicone rubber that has exceptional tear strength and can handle temperatures up to 400 degrees Fahrenheit
• Port in the airbox to install the heat tube for those driving in extreme cold weather conditions
• Mounting port is provided for those who don't need to use the heating tube
• Silicone air scoop seal that integrates with the OEM hood scoop and feeds air to the filter
• Meets ISO 5011 Test Standard

The 2020-2021 GM 6.6L Duramax S&B Cold Air Increases Airflow by 51.83% Over the Stock Unit

The best way to transform your engine's performance from the stock level is using a high-quality cold air intake system with a premium air filter. Getting improved airflow and cleaner air entering the manifold lets your engine realize its full performance potential. The 2020-2021 GM 6.6L Duramax S&B Cold Air is the best choice for doing so with your 2020-2021 GM 6.6L Duramax. It offers a much better fit with exponentially better airflow that is filtered properly with the included oiled filter. The new snap-In lid design requires no screws to secure it to the box. This makes installation and inspection quick and easy.

Premium Silicone Components

The 2020-2021 GM 6.6L Duramax S&B Cold Air Intake features premium silicone components that include a tube seal, coupler, and box plug. The durable construction of these parts gives them incredible tear strength along with the ability to handle temperatures up to 400 degrees Fahrenheit. S&B engineers have designed this cold air intake system with maximized performance in mind with the one piece air tube that is positioned with minimum obstructions from the throttle body to the air box to maximize airflow and performance potential. Depending on our desired level of airflow, you have the option of using the air box plug to restrict or open up the airflow more.

Fitment: 2020, 2021 GM 6.6L Duramax L5P

Year Ranges	Make	Model	Series	Engine
2020-2021	GM	Silverado/Sierra	2500HD/3500HD	6.6L

Property	Values
Year Ranges	2020-2021
Make	GM
Model	Silverado/Sierra
Series	2500HD/3500HD
Engine	6.6L