K&N Air Filter Post Posted 10 October 2009, 2:59 AM #986372 (In Topic #116866) fsc_mk1 Newbie K&N Air Filter Hello.. I have golf 1.8 cabrio and I want to put in K&N Air Filter. I need some advices, which filter to buy and how to install it ? Mk1 forever. 0 guests and 0 members have just viewed this: None. Forum home Engines Big Block Injection Engines