{"product_id":"1821-1391","title":"FMF Factory 4.1 RCT Muffler - Aluminum KX250F 09-16 042290 1821-1391","description":"\u003cul class=\"mb-4 mt-2 pl-3\" _ngcontent-xov-c76=\"\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e   The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally \u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering - moving the muffler closer to the motor to centralize mass \u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e The Factory 4.1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their Southern California factory \u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Massive Power gains throughout the RPM range. \u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Huge weight savings \u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e RTS (Rapid Tuning System) \u003c\/li\u003e \u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":45908675002621,"sku":"042290","price":539.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/6263\/1421\/files\/0EBB35D0-BD2D-4C47-AEFB-1E1C0B2AF81E.png?v=1762510749","url":"https:\/\/www.sixty61.com\/products\/1821-1391","provider":"Sixty61","version":"1.0","type":"link"}