K&N RK-3909

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K&N RK-3909 Filter Kit - Harley Davidson "H/D TWIN CAM, CUSTOM ASSEMBLY 99-07"

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$168.00

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K&N RK-3909

The latest addition to K&N's RK Series was developed to get more horsepower from your Twin Cam® Harley-Davidson® engine. Built around the legendary K&N High-Flow Air Filter, the new RK Series assembly includes an innovative powder coated billet aluminum backplate that eliminates external breathers and features a built-in, dyno-tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly retains a factory appearance by utilizing the stock air cleaner cover, yet boasts superior filtration and performance with a K&N stamped laser-etched beauty ring.

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