Motorcycle Expansion Chambers & Headers

Discover top-tier expansion chambers and headers for motorcycles, engineered for maximum performance and reliability. Whether upgrading your Aprilia, Yamaha, KTM, or Husqvarna, our selection features premium exhaust components designed for both street and competition use. Trusted by riders in MXGP, Enduro, and Supermoto championships, these parts deliver enhanced power, optimal flow, and improved throttle response while maintaining strict safety standards. Browse leading brands like FMF, Akrapovič, and Arrow for models such as the Yamaha YZ250, KTM 300 EXC, and Husqvarna TE 250. Upgrade your ride with confidence—explore the full expansion chamber and header catalog now for unmatched durability, performance, and safety on every ride.