about changing them when it is time... get a simple POP charger from one of the forum sponsors... $100 or so will get you a nice clean cone filter with adaptor and more airflow and peformance to boot...
1993 2+2 ..........._____.................... ....___/...........\____.......... ...l__..________..__\........alternate Z sig to avoid ........O...............O............hostile hosts .....DutchZX's 93 2+2........ .......................................... - Fastest Car @ Daycare - - 1999, 2000, 2001, 2002 - ..........................................