GReddy Overpipe for GT86 & BRZ SpecificationsImprove your exhaust system and gain power with the GReddy Overpipe for Toyota GT86 and Subaru BRZ. It fits between the two catalytic converters replacing the stock part with a larger diameter from 50 to 60 mm and a better sportier sound. Made from stainless steel by GReddy in Japan with a high quality finish.The overpipe comes with all necessary accessories for installation and goes in place of the exisiting pipe without any modifications.