FMF Fatty expansion chamber

Experience improved engine performance with the FMF Fatty expansion chamber from KTM. Made from extra strong sheet steel with a nickel-plated surface, this expansion chamber is designed to provide a wider, more even engine speed range, resulting in higher speed, more traction, and better gas control. When combined with the FMF silencer, you can take your motorcycle to the next level. Upgrade your bike with this top-quality motorcycle accessory and feel the difference in performance. Whether you're racing or riding for fun, the FMF Fatty expansion chamber will enhance your overall riding experience. Bring the power of KTM to your motorcycle and enjoy the benefits of this high-performance expansion chamber.