RPI Scoops - $30
Removed these once I went with an ESS 535 kit since there's no need to force more air into that intake. They are powder coated black so you can't see them. I paid $99 for them new and they are in good shape.
Arkym Rear CF Diffuser - SOLD
OEM M3 GTS Splitter/Wing/Harness Bar/Rear Seat Delete, Ohlin R&T, Brembo BBK, Akrapovic GT4, Alekshop Oil Cooler, ESS Tune/Pulley, Recaro SPG, 18" BBS FI, CAE Shifter, Vorschlag Camber Plates, Bimmerworld Toe-Links/End-Links/Motor Mounts, RD Sport Front Sway, Turner Solid Subframe/Diff Bushings, Awron Gauge.