{"product_id":"intake-system-harley-davidson-23","title":"K\u0026N RK-3909-1 Intake System-Harley Davidson","description":"K\u0026amp;N's RK Series was developed to get more horsepower from your Twin Cam Harley-Davidson engine. Built around the legendary K\u0026amp;N High-Flow Air Filter, the this RK Series assembly includes an innovative powder coated billet aluminum back plate 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. The RK-3910-1 comes with a larger air filter and longer spacers than the RK-3909-1.","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":51191325458747,"sku":"BBWQ_RK-3909-1","price":438.05,"currency_code":"CAD","in_stock":false}],"url":"https:\/\/performancepartscanada.ca\/products\/intake-system-harley-davidson-23","provider":"Performance Parts Canada","version":"1.0","type":"link"}