This Akrapovic slip-on silencer offers more power and torque, an uncompromising race bike look, and substantial weight savings. More power and torque. Identical look to the Husqvarna factory team. Manufactured from high-grade titanium. Permanently welded attachment point. Tuned to comply with current FIM noise regulations. Akrapovic logo sticker on silencer. AMA Amateur and FIM approved. Note: For closed course competition use ONLY.