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Originally Posted by TransAm525
Any plans to make a D-port version? I'm going to need a set of D-port headers for my 78 Trans Am when I overhaul the exhaust system.
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.....as these Tri-Y headers were made in round-port version only.
Quote from post #7 by Ken:
"They would be made exactly as My originals. 1-3/4" primaries, 2-1/8"(??) secondaries,2-1/2" no flange collectors. Fitment is round port 64-77 A bodies,75-77 X bodies, 69-77 GP and 70-81 F bodies".
I can't speak for Ken, but the tooling for these headers are for the round-port heads and I doubt you'll see a D-port version.
I hope I'm wrong, but I doubt it.
