{"product_id":"k-n-engineering-rk-3910-1","title":"K\u0026N Engineering K\u0026N Oval Red 9in Intake System for Harley-Davidson","description":"\u003cp\u003eK\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.\u003c\/p\u003e\u003cp\u003eGenuine K\u0026amp;N Engineering. Part number RK-3910-1.\u003c\/p\u003e\u003cp\u003eShips from US warehouse.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e California Proposition 65 — this product can expose you to chemicals known to the State of California to cause cancer or reproductive harm.\u003c\/p\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":48715937120481,"sku":"RK-3910-1","price":264.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7608\/4961\/files\/095d9ca6ae8458794603fa348261f77f.jpg?v=1784695298","url":"https:\/\/mlperformanceusa.com\/products\/k-n-engineering-rk-3910-1","provider":"ML Performance USA","version":"1.0","type":"link"}