MagnaFlow BMW M3/M4 SS Cat-Back Sport Exhaust - 2.5" Black Tips Carbon Fiber visitor drives and equability tests

visitor drives and equability tests particularly on the Nürburgring Nordschleife

the JB4 allows you to go from factory stock to full race

This pliable sealing surface conforms to even the most uneven filter housing

MagnaFlow Touring Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need

MagnaFlow BMW M3/M4 SS Cat-Back Sport Exhaust - 2.5" Black Tips Carbon Fiber visitor drives and equability testsFITMENT NOTES QUAD SPLIT REAR EXIT The MagnaFlow Sport Series Exhaust Systems are designed for those seeking maximum performance, reduced mass and an aggressive exhaust note that demands attention. These systems may not comply with all local or federal noise requirements. The Black finish gives you added protection and the premier style of a High Temp Satin Black Coating. All Mandrel Bent Tubing 409 Stainless Steel Construction with High Temp Satin