New stock air filter for the Honda CB450SC Nighthawk, CM400 & CM450 models. You gotta replace these every once in a while. This new air filter is high quality.
Replaces Honda part number: 17211-447-620
Fits Honda:
CM400A Hondamatic - 1979-1981
CM400C Custom - 1981
CM400E - 1980-1981
CM400T - 1979-1981
CB450SC Nighthawk - 1982-1985
CM450A Hondamatic - 1982-1983
CM450C Custom - 1982
CM450E - 1982-1983