.cs2E2586B7{text-align:left;margin:0pt 0pt 0pt 0pt;}.cs86C48945{color:#000;background-color:transparent;font-weight:normal;font-style:normal;}.cs18760DA8{text-align:left;margin:0pt 0pt 0pt 0pt;list-style-type:disc;color:#000;background-color:transparent;font-weight:normal;font-style:normal;}.csC350750F{text-align:left;margin:0pt 0pt 0pt 0pt;list-style-type:disc;color:#000;background-color:transparent;font-weight:normal;font-style:normal;} The R-304 was developed as a full-race two-stroke muffler. The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure the inlet cap and can be removed easily for quick re-packing of the muffler. 304 stainless steel intake tube Double-walled mounting bracket(s) 6061 T6 brushed aluminum muffler body Tig and mig welded for strength and durability Allen head screws ensure easy repacking when needed for extended product life E-Glass internal packing for maximum packing life Made in the USA