Part numbers for GT40P headers

sdstanger

New Member
Dec 7, 2003
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I believe MAC, BBK and Ford Racing all make headers designed for GT40P heads on a 5.0 in a Fox Mustang. Could someone post what part numbers they are? The sites I've been looking at don't seem to differentiate between stock heads and GT40P heads. Thank You.
 
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I think Ford only sells the P header now


I'd go with those. In all the headers i've installed, the Ford Racing ones have been the best fit and finish IMHO

That's what i've heard/read. so unless your looking at used ones, any new fms will work. I got new mac's off ebay for $150 shipped. I'm not a big mac fan but they fit really well, look to be good quality, i think the problem with them is the individual flanges after they've been run an heated up an taken off.