Air Filter, Bug / Beetle / Karmann Ghia 72-
Are you strangling your engine by not letting it breathe properly?
If you are running with a dirty or clogged up air filter then you are in effect making your engine work harder. The cleaner the air you get into your engine the better your engine will run.
Replace your paper filter at regular service intervals, keeping a keen eye for build up debris in dusty and dirty conditions.
This is a simple drop in replacement paper filter for the standard element. Always worth keeping a spare, it is surprising what a difference a new filter can make to performance and economy.