i can get it you, as an example he quoted me aprox £150 for a carbon bottom panel on an edition 30 rear apron (the part with the exhaust cutout that people have been painting black)
....It's called an exhaust trim.
I assume it would be a carbon piece stuck-over-the-top of the existing one-piece Ed30 rear valance/bumper.
it is, but it doesnt come off so i didnt want to call it a trim LOL, and as its one piece i guess he would just stick it on , he's never made one by the way, it would be a bespoke item