K&N Engineering Drop-In High-Flow Air Filter 33-2381 Reusable Washable

K&N Engineering Drop-In High-Flow Air Filter 33-2381 — Reusable & Washable Upgrade airflow and performance with the K&N 33-2381 Drop-In High-Flow Air Filter. Engineered with layered, oiled cotton media, this washable and reusable filter improves airflow while efficiently capturing contaminants to help increase horsepower and throttle response. Key Benefits High flow design: Optimized media improves airflow for better engine performance. Reusable & washable: Durable construction engineered to last the lifetime of your vehicle — just clean and re-oil. Easy install: Drop-in replacement fits factory air box for simple, no-modifications installation. Proven reliability: Backed by K&N’s 10-Year/Million Mile Limited Warranty. Why Choose K&N 33-2381 This filter combines superior filtration with longevity and cost savings over disposable filters. Ideal for drivers seeking improved horsepower, better throttle response, and reduced maintenance waste. Compatible with stock housings, it’s K&N’s most popular performance upgrade. Order the K&N 33-2381 today to unlock lasting performance gains, dependable protection, and the convenience of a washable, reusable air filter.