www.ajusa.com has the RU-3530 for $33.11 and free shipping.

Im not sure what part number the E0998 is that youve posted?

EDIT: Okay I ran a search on yahoo and see that the E0998 is the stock SVT airfilter.

Jim Hahn 1996 T-Red Contour SE Reborn 4/6/04 3.0L swap and Arizona Dyno Chip Turbo Kit 364 whp, 410 wtq @ 4,700 rpm