K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: 38-2031S

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 filters, increasing power and acceleration. Clogged or dirty air filters can reduce vehicle 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 quick performance gains
• Lasting savings: K&N high-flow replacement air filters save $250 over 10 years by avoiding disposable filters
• Low-maintenance design: Lasts for 50,000 miles before first cleaning under normal highway driving conditions
• High-quality manufacturing: Made in the USA
• Superior protection: Filters protect the engine from harmful contaminants