ARM Motorsports Midpipes | G80 M3 · M3 Competition · G82 · G83 M4 · M4 Competition | 3.0L Turbo I6 [S58] F96 X6 M 4.4L Turbo V8 [S63] Direct bolt-on kit provides massive

Direct bolt-on kit provides massive power gain

This Catback is made from corrosion-resistant

Silent clock mechanism

Smooth bore PTFE hose wrapped in a Stainless Steel braiding for protection

Precision Raceworks blue

ARM Motorsports Midpipes | G80 M3 · M3 Competition · G82 · G83 M4 · M4 Competition | 3.0L Turbo I6 [S58] F96 X6 M 4.4L Turbo V8 [S63] Direct bolt-on kit provides massiveThe ARM S58 Midpipe upgrade is designed to unleash the incredible exhaust sounds from your G80 M3 M4. By removing the secondary catalysts and two middle resonators, the ARM S58 Midpipes substantially improve the sound of your S58 powered BMW. Also, by retaining the OEM muffler, you still have the ability to control the exhaust flaps, allowing you to close them for a more subtle tone for when you want to be quiet, or open the valves for maximum sound.