ChargeSpeed is a Japaneese company that has been around for over 12 years. Chargespeed also makes seats, suspension parts and other body Kits. These ChargeSpeed kits are made out of Fiberglass. Fitment on these kits are excellent. This adapter kit will off-set the sotck STI wing approximatly 90mm back and 95mm up. Kits come unpainted and need to be painted before install. Contact us about Shipping Options before ordering.