Learn more about the horsepower testing and validation process at K&N, and how to spot misleading claims from other advertisers.

One of the fastest ways to add more airflow, horsepower, and throttle response to your car is by installing a K&N intake kit.

You can do it. Seriously.

Cheaper isn't always better. K&N reusable air filters are definitely worth the extra up-front cost, because they are designed to last for the entire lifetime of your vehicle. A K&N filter is a premium upgrade that is designed for the highest level of quality at every step in the manufacturing process, and tested to give you extra "oomph" from the off-road to the onramp.

According to CarMD's 2021 Vehicle Health Index (the most comprehensive database of check-engine light related problems), the average repair cost for check-engine light related repair in 2020 was $378.77—a fairly significant chunk of change. If the dreaded check engine light should pop up on your dashboard, take a look at some of the most common issues that could require resolution.

Did you know that your car most likely has a cabin air filter? Most modern vehicles have a special filter—typically installed behind the glove box—that is designed to help prevent pollutants and contaminants in the exterior air from entering your vehicle’s cabin.

Spring will be here before you know it. Check out our simple checklist to help make sure your vehicle is ready.

Cold air intake systems have long been considered one of the easiest ways to "bolt-on extra horsepower". All you have to do is unbolt the restrictive factory intake system, and replace it with a free-flowing cold air intake system. 

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

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.