K&N Engineering Replacement Element for RK-3929 Custom Air Filter YMM_2011_2015_Ferrari_458 The Bilstein B8 Performance Plus

The Bilstein B8 Performance Plus Dampers feature advanced engineering and durable materials to deliver consistent performance and reliability

Crafted for enthusiasts who seek a more connected driving experience

ideal for both street use and competitive racing

race-inspired look that complements your vehicle’s exterior

K&N Engineering Replacement Element for RK-3929 Custom Air Filter YMM_2011_2015_Ferrari_458 The Bilstein B8 Performance PlusK&N Engineering Replacement Element for RK 3929 Custom Air Filter Universal Fitment Part #: E 3040 Overview The K&N Engineering Replacement Element for RK 3929 is a high quality, washable air filter designed specifically for Harley Davidson RK Series motorcycles from 1990 to 2023. Crafted to replace the original air filter element, this component is engineered to optimize airflow into your motorcycles engine, supporting improved performance and