Extra strong sheet steel Untreated surface Full sound Better power delivery Combination with FMF silencer recommended
Unleash the beast within your bike with the FMF FACTORY FATTY EXPANSION CHAMBER! Designed for those who demand nothing but the best in performance and style, this expansion chamber is a game-changer for any serious motocross or off-road enthusiast. Prepare for a thrilling ride as you experience unparalleled power and a roaring full sound that will make heads turn!
Enhanced Durability: Crafted from extra-strong sheet steel, this expansion chamber withstands the toughest rides.
Raw, Industrial Look: The untreated surface gives your bike a rugged, ready-for-anything appearance.
Optimized Performance: Experience better power delivery for a smooth, responsive ride that keeps you in control.
Perfect Match: For optimal performance and sound, pairing with an FMF silencer is recommended, creating an unbeatable combination.
Sound Investment: Not only does it boost performance, but it also enhances your bike's overall appeal, making it a standout on tracks and trails.
Step up your game and transform your bike into a powerhouse with the FMF FACTORY FATTY EXPANSION CHAMBER. It's not just an upgrade; it's an evolution in motorbike performance!
⚠️ WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
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