So I finally got around to buying/test fitting the exhaust on my 72 restoration...Seems like some folks in the past have had some issues with MSA's header flange not mating well at the cylinder head, not clearing the steering...exhaust stories are equally as prevalent. After talking with them and hearing about improved design I bought the 6-1 MSA header with ceramic coating along with their new "performance" 2.5" exhaust... As you can see from the pics, they seem to have cleared up a lot of is