This is a Silencer for the O.S. Max FS 200 Surpass Engine (OSMG0980).FEATURES: Steel manifoldAluminum silencer (muffler) with pre-installed pressure tapINCLUDES: Silencer, manifold with two nuts, 3mm screwSPECS: Length: 5.7" (145mm)Width: 1.8" (45mm)...