3.5" Resonated Midpipe For S55 BMW F80 M3, F82 M4, F83 M4 - ARM Motorsports X5 (G05) 0L BMW E60

0L BMW E60

The brackets are perfect for those running relocated inlets

In addition to controlling your factory exhaust valve

after installing our F80 downpipes and switching to a Stage 2 flash we made 539whp/544wtq

3.5" Resonated Midpipe For S55 BMW F80 M3, F82 M4, F83 M4 - ARM Motorsports X5 (G05) 0L BMW E60Introducing the ARM Motorsports S55 Single Midpipe Upgrade for the F8X platform, the ultimate solution for S55 enthusiasts seeking to enhance the power and sound from their S55 powered BMW. This S55 Midpipe upgrade delivers improved exhaust flow and an incredible exhaust note due to the resonated 3. 5" design. Check out the clips below to hear the ARM S55 Midpipe paired with the ARM S55 Resonated Downpipes. HIGHLIGHTS Up to +20whp 30wtq Improved