ARM Catted Downpipes - BMW / G8X / M3 / M4HIGHLIGHTS Increase Power and Torque Faster Turbo Spool Exotic Exhaust Sound SS304 Stainless Steel PROFILE The ARM S58 Catted Downpipes increase power and torque on your S58 powered BMW while unleashing exotic sounds from your tailpipes. The ARM S58 Catted Downpipes are one of, if not the best all around hardware upgrades for the G8X platform. The ARM S58 Catted Downpipes improve throttle response throughout the RPM range while stepping up the exhaust

5-2005) with our custom cut fog light tint

making an Eibach Pro-Alignment kit a necessity for the serious performance tuner

tuned and dyno-tested to fit specific Mazda RX-8 models

In recent testing with the stock exhaust system

This weak spot is more often than not

585mm x150mm x 95mm

2009-16 A4 / Allroad (B8 & B8

border-radius: 50%

If you have a 3

N91-086-801 / N91 086 801 / N91086801

external diameter and disc hub to ensure complete protection

also 50 state legal like its SwitchPath™ sibling