FMF Fatty expansion chamber [55505907000]

Made of high quality, extra strong and durable steel
Nickel-plated surface
Broader, smoother powerband
Higher speed
More traction, better throttle control
Complete with o-rings
Combination with FMF silencer recommended

【250SX 19-20】【250/300EXC/XC-W 20】

*2022年11月入荷見通し