Just finishing up installing my Apexi AVC-R Black Edition, and notice i don't have the 'flying saucer' air filter.
example:
http://www.ebay.co.uk/itm/Electronic-Boost-Controller-Air-Filter-EVC-AVC-R-2-pcs-/280943180591?pt=AU_Car_Parts_Accessories&hash=item416984bb2f#ht_1955wt_1271
where is...