FMF Racing Powercore 2 Aluminum Muffler w/Stainless End Cap for KTM 200 04-10/250 03-10/300 04-10 ModelsFMF Powercore 2 Silencer KTM 200 SX XC 200 EXC 200 MXC 200 XCW 250 SX 250 EXC 250 MXC 250 XC W 300 EXC 300 MXC 300 XC W The FMF Powercore 2 Silencer was designed to improve throttle response throughout the entire RPM range on any 2 stroke machine. The high flow end cap and front stinger are constructed of stainless steel for unbeatable looks and durability. With its lightweight extruded aluminum oval canister mated to a perforated core, the Powercore