REDSPEC Gr.N exhaust line for RENAULT Clio Williams steel A must-have component for competition! Exhaust line produced from high-quality materials to give greater power and torque. FIA and CSAI homologated. Not for road use. Steel exhaust line. Technical specifications: - 3 parts - Ø 50 mm - Does away with catalytic convertor: YES - Central tube: Yes N.B. All passenger car exhausts must receive European approval before they can be fitted to vehicles circulating on the public highway. This approval takes the form of a European E approval number which is either engraved straight onto the exhaust or marked on a plate welded to the exhaust body, positioned so that it is clearly visible without dismantling.