Kia Optima 2.4L (2016-2018) (Non-Hybrid) (Except: Korean Built) Manifold Converter, Flex Pipe with Oxygen Sensor hole, Catalytic Converter with two hangers, Y pipe and Both side MufflersRestore your vehicles exhaust with this direct fit exhaust system, designed specifically for the Kia Optima 2. 4L. Compatibility: Designed specifically for Kia Optima 2. 4L (2016 2018) (Non Hybrid) (Except: Korean Built) Manifold Converter, Flex Pipe with Oxygen Sensor, Catalytic Converter with Two Hangers, Y Pipe and Both Side Mufflers. Installation: Direct bolt on replacement for the parts, no cutting, welding, or modifications required. Durable