3.5" Resonated Midpipe For S55 BMW F80 M3, F82 M4, F83 M4 - ARM Motorsports kia/hyundai/genesis boost by gear settings

boost by gear settings

simply drop the pump system into the tank

0L BMW E61 535i N54 3

• Full lightweight aluminum construction• Heavy-duty upgrade• Factory-like fit• Sold in pairs• Made in the USA

Map7: WMI (water/meth injection) progressive tuning

3.5" Resonated Midpipe For S55 BMW F80 M3, F82 M4, F83 M4 - ARM Motorsports kia/hyundai/genesis boost by gear settingsIntroducing 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