Cold Air Intake for 2011-2016 Chevy / GMC Duramax LML 6.6L

Upgrade your Duramax with the S&B Filters Cold Air Intake Kit for improved airflow, more power, and better performance. This bolt-on system replaces the factory airbox with no extra modifications required.

Performance Features:

• Flows 29% more air than stock for increased horsepower and throttle response
• Fully enclosed one-piece airbox keeps the filter protected and isolates it from engine heat
• Premium silicone couplers and filters handle up to 400°F, resist cracking, and seal securely
• Secondary inlet allows optional fender air intake for even cooler, denser air
• Properly mapped for stock or tuned engines to avoid check engine lights
• Washable and reusable “oiled” filter for long-term maintenance
• CARB EO# D-590-15 compliant

Design & Reliability:

• Integrated airbox seal reduces heat soak and keeps air cool for maximum density
• ISO 5011 filtration tested in high-standard lab conditions to protect your engine
• Durable silicone and high-friction surfaces prevent sliding and leaks
• Installs easily in the factory location with minimal effort