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      02-12-2013, 05:56 PM   #14
Second Lieutenant
United Kingdom

Drives: E90 330d sport auto
Join Date: Sep 2012
Location: S.Wales or Cheshire

iTrader: (0)

No I didnt take it as an attack and I was really just having a bit of fun. I rarely write on forums of any type but it is on forums such as this that the myth is perpetuated. So lets say in a perfect world where the fuel mixture can always be corrected by the electronics you will always get more power with less back pressure. I can tell you when my car had a dpf it was reading over half a bar of pressure in the exhaust. Now it reads zero and is a happy free flowing but smelly beast. And so is the car