Dinan High Flow Middle Exhaust | BMW M550i xDrive (18-23) (D660-0080) YMM_2015_2019_Porsche_911_GTS Available in 8 different finishes

Available in 8 different finishes

or custom interior setups

making it a reliable choice for maintaining engine health during aggressive driving or extended track use

requiring no modifications to the vehicle’s factory setup

Dinan High Flow Middle Exhaust | BMW M550i xDrive (18-23) (D660-0080) YMM_2015_2019_Porsche_911_GTS Available in 8 different finishesThe Dinan 18 23 BMW M550i xDrive Stainless Steel 3in High Flow Middle Exhaust is a performance mid section upgrade designed to enhance exhaust flow and sound. Constructed from T304 stainless steel tubing, it replaces the factory hydro formed center section and resonator with larger 3 inch pipes for increased airflow. The system features a mandrel bent X pipe, which minimizes restrictions and improves exhaust flow symmetry. This sophisticated X pipe