A sample from the products for the Exhaust Muffler include: Bolt,hook M8x47, Bolt,flg 8x45, Valve Exh., Cover Exh.valve.
thirty-one components are listed in the schematic for this Cbr900rr Fireblade 2003 (3) European Direct Sales Exhaust Muffler .
In this schematic the "Nut,flange,7mm" is used most often.
