dmaclaren

I just have the std door weather stripping on my 1969 mach 1.
http://www.cjponyparts.com/scott-dra...1970/p/WSDR13/



Has anyone added the additional stripping piece in the below link? I have never seen it or see any holes as it was an original piece. Is this some ater market piece? Is the added benefit worth drilling more holes in a good door?

http://www.cjponyparts.com/door-bott...1970/p/WSDR3L/