Factory 304 Silencer - 2-Stroke. With a clear and stylish design, the 304 Silencer will make a lasting impression. The slightly longer body offers reduced noise output when compared to the R-304. Its perfectly constructed lightweight cylindrical canister, combined with the brushed aluminum body and stainless steel inlet tube and end cap, give you a silencer that looks as good as it performs and ensure that a truly unique riding experience is in store for you. The 304 silencer is recommended for most two-stroke applications. Longer body design helps to reduce noise output. 6061-T6 brushed aluminum silencer body. Stainless steel end-cap. TIG and MIG welded for strength and durability. Double-walled mounting bracket(s). Allen head screws ensure easy repacking when needed for extended product life. Made in the U.S.A.