K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3650

K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle or outdoor power small engine. Engineered to fit easily into your factory air box, installation can be completed in a matter of minutes! K&N develops and tests each product on the world’s toughest race tracks, so we can bring the highest level of performance to your daily driving. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&N filtration.

• Engineered power: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters, increasing power and acceleration. Clogged or dirty air filters can reduce your vehicle's acceleration by up to 10%
• Easy installation: Pre-oiled and ready to drop into your factory air box. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains
• Cost-effective: K&N high-flow replacement air filters save $250 over 10 years by avoiding disposable filters
• Low-maintenance: Lasts longer than 10 disposable filters and requires cleaning every 50,000 miles under normal highway driving conditions
• High-quality protection: Designed to protect your engine from harmful contaminants
• Race-tested: Trusted on the racetrack and made for your vehicle. The Official Air Filter of NASCAR
• Durable design: Made in America with a 50,000-mile cleaning interval under normal highway driving conditions
• Superior performance: Engineered to improve airflow and capture contaminants, providing an increase in horsepower