KYOSTAR Single MidPipe for 2014-2020 BMW F80 M3 F82 F83 M4 S55 3.0T The KYOSTAR Single MidPipe is designed for BMW S55 3.0T Twin Turbo engines to improve exhaust flow efficiency and optimize the exhaust system layout. By replacing the factory midpipe configuration with a streamlined single pipe design, this upgrade helps reduce exhaust restriction, improve exhaust response, and create a more aggressive performance exhaust character. Manufactured from high-quality stainless