Originally Posted by BMe30
Are the 318 headers 4-2-1 like stock or 4-1? If they are 4-2-1 how do they differ from stock... Thanks!
Bruno I believe they are a 4-1. I couldn't find any pictures of the M42 specific header, but here is a picture of the 2002 header which should be similar. I'll confirm this next time I call.