MAD BMW B58 2016+ F Chassis M140 M240 340 440 Charge PipeMAD BMW F Chassis B58 Charge Pipe Upgrade your vehicles performance and reliability with the MAD F Chassis B58 Charge Pipe. This upgrade is designed to replace the factory plastic charge pipe. This high performance charge pipe is built to improve airflow and overall efficiency. With a larger diameter and smooth, consistent tubing, it helps deliver better throttle response and reduces throttle lag. The CNC machined throttle body connection ensures a