YR-Advance Airbox forsale. Location Perth.
I gave it a clean with some steel wool. It would come up pretty good if you hit it with metal polish. I didn't have any around.
Dis-assembly and clean
Bell mouthed intake. Apparently increase boost by 0.1Bar
Swapped the panel filters around.
Brackets that you remove from the stock air box (not included). The bolts are included.