Pro Circuit R-304 Silencer for Yamaha
Like an athlete in peak form, the R-304 is a fascinating combination of power and elegance. The design principle of the R-304 was not “form follows function, but rather, “form is function.” Every element of the R-304 expresses the promise of high performance: the striking round aluminum canister with its characteristic shorter inner core length; the stainless steel inlet and race style end cap are precisely streamlined. This design makes for an excellent choice for tight tracks and supercross applications