FMF Factory 4.1 Complete System - Honda XR50 2000-2022
Transform your 4-stroke with the FMF Factory 4.1 Complete System. This complete exhaust system includes the Factory 4.1 RCT silencer and Megabomb header for maximum performance gains across the entire powerband.
Aluminum silencer construction provides weight savings with excellent durability. The carbon fiber end cap adds a premium look while reducing weight. The Megabomb header features a resonance chamber that smooths power delivery and adds mid-range torque.
This complete system fits Honda XR50, CRF50F (2000-2022). All necessary mounting hardware, gaskets, and installation components are included. Installation is straightforward with direct bolt-on fitment.
FMF complete systems have been tested extensively on both the dyno and the track. The combination of header and silencer delivers significant horsepower and torque gains that you can feel immediately.
FMF Racing has been the leader in 4-stroke exhaust technology. Ships fast from Dune Goons with next-day fulfillment on orders placed before 2pm.
FMF complete systems represent the pinnacle of exhaust technology for your machine. The combination of premium materials and race-proven design delivers results you can feel from the first ride.
All necessary mounting hardware and installation components are included. FMF Racing has been building championship-winning exhaust systems since 1973.
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
