If you want them coated, take a serious look at getting the Ford Racing headers. You can get them already coated. They are better built and stainless, for a similar price to MACs after you figure in the cost of coating.
Any NAME brand header will fit fine.For long term perfomance and quality apperance you will want to find a header made from Stainless steel and that has a ceramic coating.The
difference now will be worth it next season.Mac's are made of mild steel with no ceramic coating.I have used Mac headers in the past(with no short term problems).Now I am using Ford stainless headers.Both fit fine,but I perfer the stainless.
We carry the Mac header because of fit problems with other brands not all exit in the same spot and the j pipes won't line up. The Mac headers come with a Hi temp coating on them already it is not as pretty as the ceramic coating Luis at Hot Shot does but it works and they fit!!.
MAc headers are what i call single use headers. They fit fine the first time but once they have been used then removed they will never line up again. I have had several sets and always the same thing. The individual flanges move around. Paying to get a set of these ceramic coated would be like getting a paper plate gold plated.
I have the Flowtech 1-5/8" unequals. They fit fine, but the ceramic isn't the best I've seen. I also have the FMS which are going on my Mustang and they seem to be better, except for all the extra weld I have to grind out of the tubes.
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