Upgrade your 2-stroke bike with the legendary FMF Factory Fatty exhaust pipe, developed for riders who want maximum performance, smoother power delivery, and a true factory race look.
Inspired by the classic works pipes used by factory racing teams, the Factory Fatty is designed to broaden and smooth out the power curve, delivering more low-end torque, stronger mid-range power, and improved over-rev. FMF specifically highlights gains across the entire power band, making it ideal for motocross, enduro, and supermoto 2-stroke builds.
Constructed from lightweight 20-gauge steel, it offers excellent durability while keeping weight low and maintaining the iconic FMF raw factory finish.
Features
- Premium FMF Factory Fatty expansion chamber
- Improved low-end torque
- Stronger mid-range power
- Better over-rev
- Smoother throttle response
- Lightweight 20-gauge steel construction
- Factory race look
- Ideal for 2-stroke motocross and enduro bikes
Fitment:
- 250 XC-W 2026 (Europa)
- 300 EXC 2026 (Europa)
- 300 EXC Champion Edition 2026 (Europa)
- 300 EXC Hard Enduro 2026 (Europa)
- 300 SX 2026 (Europa)
- 300 EXC 6DAYS 2026 (Europa)
- 250 EXC 2025 (Europa)
- 250 EXC Champion Edition 2025 (Europa)
- 250 EXC Six Days 2025 (Europa)
- 250 SX 2025 (Europa)
- 300 EXC 2025 (Europa)
- 300 EXC Champion Edition 2025 (Europa)
- 300 EXC Hard Enduro 2025 (Europa)
- 300 EXC Six Days 2025 (Europa)
- 300 SX 2025 (Europa)
- 250 EXC 2024 (Europa)
- 250 EXC Six Days 2024 (Europa)
- 250 SX 2024 (Europa)
- 300 EXC 2024 (Europa)
- 300 EXC Hard Enduro 2024 (Europa)
- 300 EXC Six Days 2024 (Europa)
- 300 SX 2024 (Europa)
Important: This exhaust pipe is not road legal and is intended for racing use only.
Use only on private property or closed tracks.
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