{"product_id":"factory-4-1-rct-titanium-slip-on-muffler","title":"Factory 4.1 RCT Titanium Slip-On Muffler","description":"The FMF Factory 4.1 RCT is a slip-on muffler engineered to deliver significant performance enhancements for your 4-stroke dirt bike. It incorporates FMF's advanced Resonance Chamber Technology, both internally and externally, to optimize power delivery throughout the RPM range. The design prioritizes mass centralization by moving the muffler closer to the motor, complemented by a shorter overall length that increases resistance to crash damage.\n\nIt is manufactured entirely at FMF's Southern California facility. The system includes a screen insert spark arrestor and a quiet insert, offering versatility for different riding conditions.\n\nThis slip-on muffler offers massive power gains and significant weight savings compared to stock components. It also incorporates FMF's new RTS (Rapid Tuning System). Please note that this product is intended for closed course use only. Header compatibility should be verified separately.","brand":"FMF","offers":[{"title":"Default Title","offer_id":52688346186040,"sku":"045586","price":520.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/663685775.webp?v=1784889173","url":"https:\/\/store.motormia.co\/products\/factory-4-1-rct-titanium-slip-on-muffler","provider":"MOTORMIA","version":"1.0","type":"link"}