K&N Black Drycharger Round Tapered Custom Air Filter Wrap - RF-1041DK Sidemarkers & Indicators and 164-percent greater fin surface

and 164-percent greater fin surface area than the stock 2017-2019 L5P Duramax transmission cooler

Measured Flow: 715 CFM @ 7" H2O

maximizing airflow for consistent cooling no matter the conditions

Pro 5R Filter Media

automotive-grade hardware

K&N Black Drycharger Round Tapered Custom Air Filter Wrap - RF-1041DK Sidemarkers & Indicators and 164-percent greater fin surfaceThe K&N Drycharger is a silicone treated, polyester wrap that is made to cover K&N Air Filters or Personal Watercraft Flame Arrestors. These Drychargers, which are similar to the K&N Prechargers, contain uniform micron sized openings that allow high air flow. Yet, due to the Drychargers silicone treated polyester wrap, the amount of water that reaches the air filter or flame arrestor is limited. Features & Benefits Water Repellent Treatment Typically