Description Kenworth Exhaust Tube Replaces OEM: K180-14766 Identical replacement part for factory part (OEM: K180-14766). It is manufactured in the USA from high-quality 304 Stainless Steel. Tube inlet size: 5″ Beaded Tube outlet size: 5″ Beaded Hose beaded: No Base tube dia. 5″ Material: 304 stainless steel