M mazda64 Member : 2006 Mazdaspeed6 Feb 21, 2011 #1 I have to install in my ms6 a 3" STAINLESS RACING DOWNPIPE, can somebody tell my if this pipe affect in my stock ECM?
I have to install in my ms6 a 3" STAINLESS RACING DOWNPIPE, can somebody tell my if this pipe affect in my stock ECM?
