SC11 Carbon Silencer 2-Stroke External Chamber Replacement Mounting Triangle ▲ 11 carbon silencer Can be installed on many aftermarket chambers. Cannot be installed on genuine chambers. Dimensions and shapes of the mounting part vary depending on chamber manufacturer and year of production, so check on actual vehicle required. 1 piece 320 380g. Finish may vary depending on lot. There is a difference in the condition The dimensions and shape of the mounting part may vary depending on the chamber manufacturer and year of