Yeah soot is minimal...it's laser etched and super thin, so hardly any deposits.
The Inside of the tips have them, but I have to bend down and be cleaning the //M logo to notice it...
Still owe everyone a dyno...
2012 335i Mineral Gray
M Performance Whore: PPK|Exhaust|Brakes|Performance Suspension Struts & Springs|Black Kidney Grilles|CF Spoiler and Mirror Caps|M Sport 400M|BMWF30.com