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How to Clean a K&N Air Filter

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Maintain a high-performance vehicle by regularly cleaning your air filter. K&N air filters help keep dirt and debris out of your engine and are covered by K&N’s “No-Hassle” Lifetime Limited Warranty.

Dry air filters work on a size-dependent principle: dirt particles more significant than the openings in the filter media are trapped while smaller particles pass through. As such, they should be cleaned approximately every 15,000 miles or more frequently if you drive through dusty or polluted areas.

How to Clean a K&N Air Filter

If you own a K&N air filter, it is essential to clean it regularly to guarantee optimal performance and prevent costly repairs in the future.

You don’t need much more than a simple cleaner to get the job done. Some people even add oil to the filter after cleaning it, which increases its efficiency and prevents dirt and dust from adhering to it.

Spray the cleaner generously onto both sides of the filter and leave for 10 minutes. This will let it soften and loosen any dirt stuck to its pleats.

Once complete, rinse the filter with a low-pressure water source (like a garden hose without a nozzle) from the side that flows into your car’s intake system.

Step 1: Remove the Filter

K&N air filters allow cool, purified air to pass through your engine for increased horsepower, reduced fuel consumption, and improved acceleration.

These filters are washable, reusable, and designed to last the lifetime of your vehicle! That means no more buying disposable filters and waiting for them to expire – these filters last the life of your car!

Millions of drivers worldwide depend on K&N air filters to safeguard their engines from dirt and debris that could cause reduced performance. Their premium filter design features multiple layers of cotton gauze media sandwiched between two epoxy-coated aluminum wire screens for superior filtration efficiency.

Step 2: Clean the Filter

Maintaining your K&N air filter is essential for optimal performance. A dirty air filter can reduce throttle response, restrict horsepower output and cause black smoke from incomplete combustion.

Mix water with a mild cleaner like Simple Green All-Purpose Cleaner or Dawn to effectively clean your filter. Spray this solution onto all pleats in the filter, let sit for around 10 minutes, and then rinse with running water.

K&N filters comprise four to six layers of cotton gauze media sandwiched between two aluminum wire screens. The cotton allows for high airflow rates, while the oiliness of the filter oil creates an effective filter media that traps dust particles and keeps engine contaminants out.

Step 3: Oil the Filter

K&N’s high-flow air filters comprise 4-6 layers of premium oiled cotton gauze pleated between coated wire mesh. This innovative filter system effectively captures microscopic dust particles and particles.

Maintaining your K&N air filter’s optimal performance requires regular cleaning and re-oiling. This straightforward process will help you safeguard its integrity.

K&N air filters require re-oiling approximately every 50,000 miles under usual driving conditions. However, you must consult your vehicle owner’s manual for specific recommendations based on your everyday driving needs.

Step 4: Reinstall the Filter

K&N washable and reusable High-Flow Air Filters ™ feature an advanced design of layered cotton media designed to improve airflow and capture contaminants. Not only do these filters increase horsepower, but they provide superior engine protection for the life of your vehicle.

Disposable air filters work on a size-dependent principle, trapping dirt particles more significantly than their openings in the filter media and allowing only smaller ones to pass. As the filter becomes dirty, its performance decreases until it becomes completely clogged and needs replacing.

K&N replacement air filters use a particular grade of filter oil that creates tackiness throughout the microscopic strands of cotton gauze media, allowing air to pass through without blocking dirt particles. Furthermore, this efficient filtration medium makes long-lasting engine protection due to its durability.