This is a APBR Wide Body Side Skirts manufactured or distributed by VSaero primarily made of FRP material. VSaero FRP parts are manufactured with fiberglass and plastic resin which strengthens (F)iber (R)einforced (P)lastic.
VSaero FRP MSPO Wide Body Fenders (rear) w Gas Cap 50mm (S13) 2dr Coupe for 240
VSaero FRP TKYO Wide Body Side Skirts (SE3P) for RX-8 Mazda 04-11 vsaeropart_10
VSaero FRP TKYO Wide Body Fenders (front) 4pc 50mm (SE3P) for RX-8 Mazda 04-11
VSaero FRP TKYO Wide Body Fenders (rear) 4pc 80mm (SE3P) for RX-8 Mazda 04-11 v
VSaero FRP TKYO Wide Body Fender Flares (front) 4pc 50mm 318i 2dr Coupe for 3-S
VSaero FRP LS WRC 22B Wide Body Fenders 5pc (rear) (GC8) 4dr Sedan for Impreza