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Old 08-30-2023, 06:24 PM
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pontiacmark pontiacmark is offline
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Join Date: Mar 2000
Location: Spring Hill, TN
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Default RARE D port manifolds and Pypes Exhaust

Posted in Exhaust tech but no response yet. Just about ready to order exhaust for my 70 GTO. I have the 2 1/2” oversized D port Ram Air manifolds from Ram Air Restorations. Looking at our host, PYPES direct, and Summit for the right exhaust kit. I like the sound of the Street mufflers on a friend’s T/A with crossover. I believe the correct kit I am looking for is SGA12S. I know I would have to order the head pipes separately and also the exhaust splitters. I have read different things about the fit of the head pipes and the tail pipe. Anyone have personal experience/opinions to share? I would go with the 409 SS instead of the 304 SS as I don’t think corrosion will be an issue for me.

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1970 GTO 400 Atoll Blue, PS, PDB, A/C
Was M20 4 speed, now has Keisler RS600 5 speed.