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RX-7 1st Gen Specific (1979-85) RX-7 1979-85 Discussion including performance modifications and technical support sections

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Old 05-16-2011, 11:42 AM   #1
RX-7 Chris
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You should just get the 16012 or 16125 header depending on if you want the single out or the dual out.
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Old 05-16-2011, 09:07 PM   #2
hecmanortiz
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Thanks Chris, I was just wondering cause I just bought a used one off Ebay that came off a 12A and it wasn't specified. I thought the 12A headers would be the same till I checked at Mazdatrix. Other than O2 sensors I don't know what else would be different between the generations. Oh well we'll see when it gets here may be some wires and bungee cords holding it up.
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Old 05-31-2011, 02:57 PM   #3
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the 79-80 header will have a different flange and uses a different presilencer than the other headers, as the 79 "cat back", actually heat exchanger back, is a different length than the 81-85 systems.

i have no idea why there is a different header for 81-83 and 84-85. they all use the same size presilencer...

notice the road race header is 79-85, the difference in the others must be small

mike
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