FMF FACTORY FATTY EXPANSION CHAMBER

– Made of high quality, extra strong and durable steel
– Untreated surface for an unadulterated factory look
– Broader, smoother powerband
– Higher speed
– More traction, better throttle control
– Complete with O-rings
– Combination with FMF silencer recommended

• Option 1: 125 / 150 SX (19 – 20)
• Option 2: 250 SX (19 – 20),250 / 300 EXC / XC-W (20)