This is a Direct Fit Exhaust Catalytic Converter for a Nissan Rouge Sport 2017 - 2019. It is an OE Spec product that replaces the original part with a ceramic substrate material and stainless steel body. The product includes bolts and seals for easy replacement and is placed on the exhaust post catalyst. It is EPA certified and has an OE/OEM part number of 200A0-6MA0A.