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. Brushed aluminum and stainless steel inlet tube and end cap. Weighs less than stock exhaust. Improves top-end power for two-stroke motorcycles while keeping factory sound. Convenient bolt-on end cap to easily replace packing.