See what gearheads are saying about K&N's performance exhaust systems in video reviews.

In wet, muddy, or dusty conditions, some extra filter protection can help provide peace of mind, and can also help increase time between filter cleanings. K&N® filter wraps and pre-filters help keep water and particles away from your filter—so you can enjoy the benefits of your high-performance K&N® air filter even under rigorous conditions.

It all began with motorcycles back in 1969, when Ken Johnson and Norm McDonald created the original oiled High-Flow Air Filter™ for their off-road bikes. Since that time, K&N® has continued to develop cutting-edge performance products for motorcycles, and offers intake systems for dozens of Harley-Davidson motorcycle models and years including newer Fat Boy, Softail, Road Glide, Street Glide, Road King, and Electra Glide models.

K&N has brand new intakes hot off the production line for 2019-2021 RAM 2500/3500 diesels, as well as multiple options for previous model years. If you have a 2500 or 3500, this is one performance upgrade that might be hard to pass up—and we think your right foot will thank you.

K&N offers performance oil filters designed for automotive, motorcycle, marine, and heavy-duty applications. Read on to learn about our precision-engineered filters, and to find the best K&N oil filter for you. Let us help take the guesswork out of your next oil change.

Learn how to quickly and easily re-oil your K&N oiled cotton air filter without over-oiling.

For years, racers and daily drivers alike have relied on the outstanding performance of K&N oil filters to protect their engines from premature wear. With that in mind, K&N has recently engineered a new product offering—premium full synthetic motor oil, designed to offer you top-tier engine lubrication and protection.

With so many face cover options currently on the market, you may be wondering what features to look for when you shop. Read on for our quick overview of face cover features.

Designed in K&N’s development center and laboratory using the most advanced computer-aided design and 3D modeling, the K&N® 63-2610 cold air intake system is engineered specifically for most 2015-2019 Ford F150 V8 5.0L models, and includes a larger than stock fresh air scoop behind the front grille to increase airflow to the high-performance enclosed air box filter assembly. If you have an F150, this is one performance upgrade that might be hard to pass up.

K&N has recently begun releasing enclosed air box intakes, designed specifically to help protect the air filter element in your Silverado or Sierra from heat, dust, dirt, and moisture. The air box lid allows for quick and easy access to the filter without tools.