Milltek Resonated Cat-Back exhaust system for the BMW G87 M2 (S58). Removes the secondary catalytic converters and replaces the factory setup with a direct bolt-on system using OEM hangers. 3-inch and 76.2mm mandrel-bent T304L stainless steel with GT-115 polished trims. The resonated design targets OE resonance points for a refined, sportier tone without excessive drone. Key Features: Removes secondary catalytic converters 3-inch & 76.2mm mandrel-bent T304L stainless steel GT-115 stainless steel trim finish Direct factory fitment with OEM hangers Fits: 2023+ BMW M2 (G87) with S58 engine