The Powercore 2 is the measure which others aim for. With its lightweight extruded aluminum oval canister mated to a perforated core, this silencer is above the competition. The Powercore 2 silencer provides a strong performance edge for any 2-stroke machine and the performance flow end cap and front stinger are stainless steel for unbeatable durability and an unmatched look. The sleeve of the Powercore 2 silencer is constructed from extruded aluminum to provide a lightweight design. FMF incorporated a tuned perforated core for exceptional performance. FMF made sure the Powercore 2 silencer was also durable by using stainless steel on the performance flow end cap and the stinger. FMF makes it easy to perform maintenance on the Powercore 2 silencer by using removable bolts to break it down. Detailed Specifications: Type: Silencer. Weight: 2.1 pounds.