BMW S55 TURBO BACK EXHAUST SYSTEM

S55 DOWNPIPES The ARM F80 M3 Downpipes are the ultimate solution for improving power, throttle response, and exhaust note on your S55 powered F80 M3.  Our goal for the ARM F80 M3 Downpipes was to provide a solution that would maximize power and torque, fit perfectly, and sound extraordinary. Paired with the ARM Catback system, there are three resonators in this system to create the ultimate exhaust note out of your S55. S55 SINGLE MIDPIPE Introducing 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. S55 SINGLE EXIT EXHAUST The ARM S55 Single Exit Exhaust is the perfect fit if you're looking for an aggressive sounding, lightweight, flame