Milltek Sport BMW M3/M4 F80/F82 Competition Downpipe OPF De-cat

High-flow, straight-through downpipe dedicated to BMW M3 F80 and M4 F82/F83. Modifying the front part of the exhaust significantly reduces back pressure, which translates into improved vehicle performance. The component is made of stainless steel. Designed to connect with the Milltek Sport Cat-back exhaust.