Big One complete exhaust for Beta RR 50 (2022–2026): stainless body, black anodized silencer, hand-welded, conical flow optimization; boosts power/torque with OEM fit.
Complete Big One exhaust for Sherco SE 50 (2008–2026): boosts torque, throttle response and character; easy install, durable, tuned for 2-stroke power.