K&N Engineering Drop-In High-Flow Air Filter Washable Reusable 33-2370

K&N Engineering Drop-In High-Flow Air Filter — 33-2370 K&N 33-2370 is a washable, reusable drop-in high-flow air filter engineered to boost performance and protect your engine. Its multi-layer oiled cotton media improves airflow while efficiently trapping dust and contaminants, delivering measurable gains in horsepower and throttle response. Key Benefits Improved Airflow: Layered cotton gauze design increases intake flow for better combustion. Durable & Reusable: Washable construction built to last the lifetime of your vehicle—no frequent replacements. Easy Installation: Drop-in fit for factory air box—simple swap with OE filter. Proven Warranty: Backed by K&N’s 10-Year/Million Mile Limited Warranty for peace of mind. Why Choose K&N 33-2370 This filter combines race-proven filtration technology with everyday convenience. Ideal for drivers who want reliable protection, improved horsepower, and long-term value. Maintenance is straightforward: clean, re-oil, and reinstall. Upgrade to the K&N 33-2370 and experience superior airflow, lasting performance, and trusted protection from K&N Engineering’s most popular high-flow air filter.