2 x EXHAUST PIPES. NEED MORE KITS OR OTHER PARTS? EXHAUST DOWN PIPES 1 3/4″ DIA ENGINE SIDE 1 1/2″ MUFFLER SIDE Part# PXP CB_CM400. Replaces OEM# 18420-413-003 + 18320-413-003. Fits CB400A HONDAMATIC CB400NA SUPER DREAM 1980 CB400NB SUPER DREAM 1981 CB400NC SUPER DREAM 1982 CB400T 1980 HAWK USA CB400T 1981 HAWK USA CB400T DREAM CB450DX CB450SC NIGHTHAWK 1982 USA CB450SC NIGHTHAWK 1983 USA CB450SC NIGHTHAWK 1985 USA CB450SC NIGHTHAWK 1986 USA CM400A AUTOMATIC 1979 USA CM400A AUTOMATIC 1980 USA CM400A AUTOMATIC 1981 USA CM400C CUSTOM 1981 USA CM400E 1980 USA CM400E 1981 USA CM400T 1979 USA CM400T 1980 USA CM400T 1981 USA 1979 CB400TI A HAWK I 1982 CM450C A CUSTOM 1980 CM400T A 1980 CM400A A HONDAMATIC 1978 CB400TI A HAWK II 1979 CM400T A 1980 CM400E A 1980 CB400T A HAWK 1979 CB400TII A HAWK II 1981 CM400T A 1981 CB400T A HAWK 1981 CM400E A 1981 CM400A A HONDAMATIC 1982 CM450A A HONDAMATIC 1982 CB450SC A NIGHTHAWK 450 1978 CB400A A HAWK HONDAMATIC 1978 CB400TII A HAWK I 1979 CM400A A HONDAMATIC 1981 CM400C A CUSTOM 1982 CM450E A 1982 CB450T A HAWK Down pipes manufactured from mild steel, finished in a bright chrome finish. GREAT PRICE FOR MADE IN JAPAN OEM QUALITY!