The general rule of thumb is that the filter needs to be cleaned when the dirt build up gets as thick as the wire mesh. The usual interval is 30,000 – 50,000 miles depending on driving conditions. We recommend that you check your filter about once a year in normal usage.
How long does a K&N air filter last?
K&N High-Flow Air Filters™ are designed to last for the life of your vehicle, and are protected by a Million-Mile Limited Warranty. With normal use, they can go up to 50,000 miles before a cleaning is needed (the larger conical filters included with K&N intake systems can go up to 100,000 miles between services).
Do K&N air filters need to be oiled?
K&N automotive replacement air filters can go up to 50,000 miles (under normal highway driving conditions) before air filter cleaning and re-oiling is necessary.
What happens if you don’t oil your K&N filter?
K&N filter elements have larger holes than stock air filters to allow more air through. The trade off is that without the oil, those larger holes would let in more dust type particles which, as anyone who knows engines will tell you, is not good for the engine.
Do K&N Filters damage engines?
K&N filters will not damage the engine internals but they can damage or at least coat the Mass Air Flow sensor if your car has one and most cars now do. The oil that the K&N filter is soaked in can separate and contaminate the wires of the MAF.
How do I know when my K&N filter needs cleaning?
K&N recommends that you visually inspect your air filter once every 25,000 miles to determine if it needs to be cleaned. Cleaning your K&N Air Filter is not required if you can still see the wire screen on the entire air filter, regardless of how dirty it may appear.
Do you put oil on both sides of K&N filter?
After you have cleaned BOTH sides with the cleaner and then rinsed it off, let it air dry and then spray the oil on BOTH sides. Let it air dry for 20 minutes and then recheck it for spots that may need more oil. It should be an even red on both sides. 1 of 11 found this helpful.
How much horsepower does a K&N air filter add?
So if you can get cooler air into your engine, your car will be able to mix more fuel with that air, making more power. Combine that with the more air through the larger and less restrictive filter and intake tube and you can see up to a 10-15 horsepower increase.
Will a K&N filter improve gas mileage?
Yes, K&N air filters can increase your gas mileage. High-flow air filters feed clean air to your engine, helping it burn fuel more efficiently, which enables you to save money at the pump.
How long does it take K&N air filter oil to dry?
STEP 4 – DRY
After rinsing, gently shake off excess water. Allow filter to dry naturally for 20-30 minutes. The filter does not need to be completely dry and can be slightly damp before moving to the next step.
Can you clean a K&N air filter with soap and water?
To clean them you can use any soap the will dissolve oil(Dawn soap works well). Just make sure the dirty water doesn’t get on the inside of the filter. Don’t brush! gently agitate the soapy water and let soap do it work.
Why are K&N filters bad?
The rate of airflow affects engine performance, and the K&N filter abandons the paper setting and uses a more porous entry point, an oil-based foam material. But this has the obvious disadvantage of allowing some dirt and impurities in, which can cause long-term damage to the engine.
Are K&N filters better than stock?
A K&N filter will also last much longer than a stock filter but that doesn’t mean much if your engine is taking a beating every time you drive out with your car. It is much cheaper and easier to replace an air filter rather than the entire engine block.
Do K&N filters let more dirt in?
Yes K&N air filters will let in a lot more dirt. Stock engines don’t consume enough air for the oem filter to be a restriction.