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
Enzo 400R+|M Performance Exhaust/Brakes/Suspension/LSD|Bav Stage 1||ER CP/IC/DP | Dinan CAI |BMWF30.com