K&N filter 33-2004 1983 PORSCHE 911 3.0L H6 F/I - All1982 PORSCHE 911 3.0L H6 F/I - All1981 PORSCHE 911 3.0L H6 F/I - All1980 PORSCHE 911 3.0L H6 F/I - Non-US, Exc., 180BHP1980 PORSCHE 911 3.0L H6 F/I - All1979 PORSCHE 911 3.0L H6 F/I - US1979 PORSCHE 911 3.0L H6 F/I - Non-US, Exc., 180BHP1978 PORSCHE 911 3.0L H6 F/I - US1978 PORSCHE 911 3.0L H6 F/I - Non-US, Exc., 180BHP1977 PORSCHE 911 3.0L H6 F/I - US1977 PORSCHE 911 3.0L H6 F/I - Non-US, Exc., 180BHP1977 PORSCHE 911 2.7L H6 F/I - All1976 PORSCHE 911 3.0L H6 F/I - All1976 PORSCHE 911 2.7L H6 F/I - All1975 PORSCHE 911 3.0L H6 F/I - All1975 PORSCHE 911 2.7L H6 F/I - All1974 PORSCHE 911 3.0L H6 F/I - All1974 PORSCHE 911 2.7L H6 F/I - All