K&N 57-1125 Black Intake sku-55640051 024844363626

K&N 57-1125 is a Black cold-air intake performance kit for 2001-2017 Harley-Davidson motorcycles. K&N product listing; SKU sku-55640051; UPC 024844363626. The kit is dyno-tested for increased horsepower and acceleration without an ECU tune.

K&N states that it provides up to 50% more airflow than the factory air filter and intake tube, improves throttle response for acceleration and uphill towing, changes engine sound, and protects against harmful contaminants. The filter needs no cleaning for up to 100,000 miles. Installation takes less than an hour with basic hand tools, and the kit carries a 10-year/million-mile limited warranty.