I have seen more than once about save the broken exhaust for Dutra's for a core?

Is there a core charge for Dutra's? I thought they were a completely new cast unit consisting of a front & back unit?

If you need cores --where can they be sent--- Thanks

I'll let Doug answer the "where sent" question, but only the front-3 casting is new with Dutra Duals. The rear-3 is a modified (cut 'n' capped) stock manifold.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

Thanks Dan -

Ok, so I meant I wanted to use a "Dual Dutra" manifold setup when I replied to the hot street motor thread. It just seems like there could be a significant difference in back pressure between the three front cylinders and the back ones. Besides, I live in South Texas, and don't figure I'll need exhaust manifold heat (and the hyper pack intake doesn't have provision for it anyway).

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'64 Dart GT convertible, 64 Dart 170 2-door post sedan in faded blue and rust (the Az Dart) & a sixty THREE Dart 170 2-door post sedan in faded blue and rust. (future project)
Early Dart Disorder (EDD) is real, and I've got it!