For those of you out there with the 2.3L engine that want to replace the stock air filter with a K&N, click the link below to request a panel filter replacement and some other k&n stuff if you like. The more people that request, the faster it may be available. Thanks
http://www.knfilterchargers.com/products_needed/default.aspx?yr=2004&mk=MAZDA&md=3&en=2.3L
http://www.knfilterchargers.com/products_needed/default.aspx?yr=2004&mk=MAZDA&md=3&en=2.3L