3.5" Resonated Midpipe For S55 BMW F80 M3, F82 M4, F83 M4 - ARM Motorsports kia/hyundai/genesis ROW cars do not include

ROW cars do not include the wiring harness but instead includes injector adapter harnesses

0L BMW E61 535i N54 3

Improved airflow helps optimize combustion efficiency

in certain rpm ranges

This Alfa Romeo Giulia Tuner & Alfa Romeo Stelvio Tuner features a simple plug & play harness for easy installation & removal and includes many features not found with any other tune

3.5" Resonated Midpipe For S55 BMW F80 M3, F82 M4, F83 M4 - ARM Motorsports kia/hyundai/genesis ROW cars do not includeIntroducing 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