W wolf Member Joined Dec 19, 2010 Messages 2 Reaction score 0 Dec 19, 2010 #1 Hi, I have a 2009 auto D40 and am considering upgrading the exhaust. Has anyone had any experience with this? Can the DPF filter be removed to improve fuel economy and performance?
Hi, I have a 2009 auto D40 and am considering upgrading the exhaust. Has anyone had any experience with this? Can the DPF filter be removed to improve fuel economy and performance?
Bosshog Member Joined Feb 22, 2009 Messages 1,343 Reaction score 0 Location Australia Dec 19, 2010 #2 Welcome. Start with a search of the forum. There is a wealth of info.
