Knight's Motorsports ARC Single Exit Exhaust F8X M3/M4

After a long time of development, we will soon release our brand of Single Exit exhaust for the F80 and F82. Many owners including us have wanted a great sounding and looking system that is designed to bring a deep tone away from the notorious S55 Rasp. Wait no longer the time is coming soon. Video sound clips coming soon. We will now be taking pre-orders for Stainless systems.  Titanium systems coming soon…