K & N Street Metal Air Intake Kit - Hammer - Mirror - Twin Cam RK-3933

Street Metal Air Intake Kit - Hammer - Mirror - Twin Cam
Developed around an over-sized K&N high-flow air filter that is designed to boost performance, filtration and service intervals, Aluminum backing plate with an integrated velocity stack provides a solid mounting surface, Built-in breather system replaces external OE breathers, High-quality aluminum cover