R RuZec Member : 09 Mazdaspeed 3 Oct 31, 2009 #1 Would a S-AFC II be a good investment for my car? I found one for sale brand new locally for 150 bucks? or would I better off buying a COBB AP?
Would a S-AFC II be a good investment for my car? I found one for sale brand new locally for 150 bucks? or would I better off buying a COBB AP?
E eg6motion Member Nov 1, 2009 #3 SAFC is a horrible tuning method. It ONLY adjusts fuel, nothing more.