{"product_id":"fmf-factory-4-1-rct-slip-on-exhaust-with-stainless-canister-carbon-end-cap-and-titanium-megabomb-for-2026-yamaha-wr125r-part-044485","title":"FMF Factory 4.1 RCT Slip-On Exhaust with Stainless Canister, Carbon End Cap, and Titanium Megabomb for 2026 Yamaha WR125R – Part 044485","description":"\u003cp\u003eThe FMF Factory 4.1 RCT Slip-On Exhaust is engineered for riders seeking improved exhaust performance, refined sound control, and application-specific tuning. This system features a stainless steel canister with a carbon fiber end cap and includes a titanium Megabomb designed to optimize power output on the 2026 Yamaha WR125R. FMF Part Number 044485 combines advanced exhaust technology with a compact, race-inspired design made for demanding off-road use.\u003c\/p\u003e\u003cp\u003eThe patented core shape helps reduce sound levels while maintaining strong power output, while the expanded canister shape increases internal volume for additional sound-absorbing material. A patented chamber design refines exhaust pressure to support responsive engine performance across the powerband. Factory Forward Engineering centralizes the exhaust mass, helping reduce exposure to crash damage and maintaining a balanced installation.\u003c\/p\u003e\u003cp\u003eThis tuned exhaust uses optimized core specifications developed for the Yamaha WR125R application. The innovative rear end cap allows straightforward installation of tuning tip inserts or a spark arrestor, making the system adaptable for different riding environments and requirements. The included titanium Megabomb further supports application-specific power optimization. The FMF Factory 4.1 RCT Slip-On fits the 2026 Yamaha WR125R. Professional installation and verification of local sound and emissions requirements are recommended.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eResonance Chamber Technology: Incorporates FMF's latest design approach for controlled sound and performance.\u003c\/li\u003e\n\u003cli\u003ePatented Core Shape: Lowers sound levels while maintaining maximum power output.\u003c\/li\u003e\n\u003cli\u003ePatented Canister Shape: Increases internal volume for additional sound-absorbing material.\u003c\/li\u003e\n\u003cli\u003ePatented Chamber Design: Enhances and refines exhaust pressure for responsive performance.\u003c\/li\u003e\n\u003cli\u003eFactory Forward Engineering: Centralizes mass and helps reduce vulnerability to crash damage.\u003c\/li\u003e\n\u003cli\u003eApplication-Specific Tuning: Uses optimized core specifications for the 2026 Yamaha WR125R.\u003c\/li\u003e\n\u003cli\u003eInnovative Rear End Cap: Simplifies installation of tuning tip inserts or a spark arrestor.\u003c\/li\u003e\n\u003cli\u003eTitanium Megabomb Included: Helps optimize the motorcycle's power output.\u003c\/li\u003e\n\u003cli\u003eFitment: Designed for the 2026 Yamaha WR125R.\u003c\/li\u003e\n\u003cli\u003eConstruction: Stainless steel canister with carbon fiber end cap.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2026 Yamaha WR 125 R","brand":"FMF","offers":[{"title":"Default Title","offer_id":68000438485227,"sku":"79-044485","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/06ba-69c1a04c19b04.png?v=1791912082","url":"https:\/\/ctracingservices.com\/products\/fmf-factory-4-1-rct-slip-on-exhaust-with-stainless-canister-carbon-end-cap-and-titanium-megabomb-for-2026-yamaha-wr125r-part-044485","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}