Join Date: Mar 2005
Location: Medford, Oregon, USA
I have never seen the filters listed separately, but I don't notice any annoying noise on ours without, just disappointed with the range. I've seen where some on the riders forum don't even bother installing them. Too much work. Especially the fan filters. The pump filter is a no-brainer, tho.
Knicknacks by Eric of Holland (former LTD rider)
80 Int., 85 Int., 85 LTD, 90/2000 1500, and now a 2006 Nav, Cabernet Red