{"product_id":"k-n-red-intake-system-for-harley-davidson","title":"K\u0026N Red Intake System for Harley-Davidson","description":"\u003cp\u003e\u003c\/p\u003e\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\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/bbf0573b446cc603693acfa9161d7dc7.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/0a5c0f705874321b7596fb50b4d8f725.PDF\"\u003eUser 1\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/b6afe5f0d3cabcfe9e40c247d571fa3d.PDF\"\u003eUser 1\u003c\/a\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eWashable \u0026amp; Reusable Air Filter: Includes a High-Flow Air Filter that can go up to 100,000 miles before cleaning under normal highway driving conditions.\u003c\/li\u003e\n\u003cli\u003eDesigned to increase horsepower \u0026amp; torque\u003c\/li\u003e\n\u003cli\u003eDyno-tuned velocity stack\u003c\/li\u003e\n\u003cli\u003eExcellent air filtration\u003c\/li\u003e\n\u003cli\u003eWashable and reusable\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":67792710238437,"sku":"KNNRK-3909-1","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9822\/9989\/files\/17d9ceee-7801-44be-851d-b79a11f36ee9-800_d00c12ff-c35f-43d6-9159-f5069624a0be.jpg?v=1792605326","url":"https:\/\/agmperf.com\/products\/k-n-red-intake-system-for-harley-davidson","provider":"AGM Performance","version":"1.0","type":"link"}