The FMF Factory 4.1 RCT & Megabomb System – Husqvarna FC250 & KTM SXF250 2019-22, Gas Gas MC250F 2021-22 is part of the latest performance exhaust collection from FMF. FMF offer a wide range of after-market performance exhaust front pipes, silencers and systems designed to enhance the power and replace the stock exhaust with a high-flow, free-flowing system that reduces back pressure and allows for better exhaust flow, which results in greater performance! FMF exhausts feature high end styling and are available for a wide variety of both 2 and 4 stroke machines – If you want improved performance from your bike, look no further than FMF! Factory 4.1 RCT MegaBomb System from FMF. Features: RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power FMF’s Factory Forward Engineering centralizes mass and is less prone to crash damage Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws Meet AMA and FIM sound requirements QuietCore 94 db insert included Spark arrestor included in muffler MegaBomb header comes in titanium or stainless steel Available in natural titanium or blue anodized finish with titanium or carbon fiber end caps Made in the U.S.A. Spec: COLOR/FINISH: Anodized| Blue MATERIAL: Carbon Fiber| Stainless Steel| Titanium MODEL: Factory 4.1 Rct STYLE: Oval TYPE: Full System UNITS: Each PRODUCT NAME: Exhaust System FOR MAKE: Honda END CAP COLOR/FINISH: Carbon Fiber DESIGN/CONFIGURATION: Single Canister To fit: GAS GAS MC 250 F 2021 GAS GAS MC 250 F 2022 HUSQVARNA FC 250 2019 HUSQVARNA FC 250 2020 HUSQVARNA FC 250 2021 HUSQVARNA FC 250 2022 KTM SX-F 250 2019 KTM SX-F 250 2020 KTM SX-F 250 2021 KTM SX-F 250 2022 Manufacturer part number: 045635 View all FMF Exhausts . View all Exhausts .