I did this mod on the weekend and its definetly more noticeably louder, my wife asked me WTF i did to the car and asked why its so loud now.
2010 335i xDrive Sedan
Saphire Black Metallic | Saddle Brown Leather | M Sport Package |
2008 X5 4.8i M Sport Edition
Ruby Black - Individual | Saddle Brown leather | Bamboo Trim | M Sport Package |