KYOSTAR Single Midpipe Exhaust for BMW G87 M2 S58 3.0T The KYOSTAR Single Midpipe Exhaust is engineered specifically for the 2023+ BMW G87 M2 equipped with the S58 twin-turbo engine. Featuring a streamlined single midpipe design, it improves exhaust flow by reducing factory restrictions while delivering a deeper, more aggressive exhaust tone without excessive cabin drone. Constructed from premium T304 stainless steel with precision mandrel-bent tubing and TIG-welded joints,