overview S&B Filter's cold air intake for the 2011-2016 Chevy / GMC Duramax 6.6L was engineered to minimize air restriction and flows 29.10% better than stock. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat. S&B's 2011-2016 Duramax intake was designed with a secondary inlet, resulting in even better airflow. A silicone plug is included for those who prefer to pull in air only from the fender inlet. S&B's one piece air box design features an integrated box seal that keeps out unwanted engine heat. The cooler the air, the greater the density, resulting in better performance. Available in either 8-layer Cotton Cleanable or Dry Extendable media.

KEY FEATURES:
Helps balance air/fuel ratios to improve gas mileage Specially-crafted cross-linked intake tube minimizes restriction Custom air box keeps loose dirt and turbulent underhood air out of your intake Custom-made for your specific year, make, and model Easy-to-use installation instructions and illustrations