K&N Filters 33-5065 Drop-In Air Filter | 17 L5P Duramax

Due to the extreme demand for this type of product on the L5P, K&N has been on a roughly 2 week lead time on these air filters.  If you need something in a hurry please give us a call so we can get you a more accurate lead time.

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.