Dinan High Flow Mid-Pipe | 2016–2017 BMW 340i / 2017 BMW 440i
Dinan 3.25-Inch High Flow Mid-Pipe - 2016-2020 BMW 340i/440i
Improve exhaust flow and sound on F3X B58 BMW applications with the Dinan 3.25-inch high-flow mid-pipe. The stainless-steel performance section replaces the restrictive factory center section while maintaining application-specific fitment.
Fitment: 2016-2020 BMW 340i and 440i F30/F32 applications. MAPerformance currently lists the D660-0057 at $675.95 with a $760.95 comparison price. Verify existing exhaust configuration before ordering.

