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winch_warrior
Member
Looking to do the 10.4 secondary upgrade on my 2006 M7. I see P/N's are different from 2007-2010 M8 secondary's. I know they will probably all work.......Or will they?
I assume 2010 has been the best Cat secondary so far? Whats the difference between 2007,2008,2009 and 2010 secondary?
I assume 2010 has been the best Cat secondary so far? Whats the difference between 2007,2008,2009 and 2010 secondary?