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Old 01-02-2015, 07:16 PM   #1
WankelsRevenge
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Default Custom Exhaust Question

So I'm planning on making a semi custom exhaust for my 86 NA 6port motor. What I have so far to work with is a verified Racing Beat REV-II exhaust for a Turbo-II as seen here
http://www.racingbeat.com/RX7-1986-1...ems/16425.html
but just the Y-pipe and muffler.
I plan on also using what I believe to be a Pacesetter header as seen here
http://pacesetterexhaust.com/84-92-m...7-headers.aspx

If possible I want to connect the two using a Racing Beat presilencer, if I have enough room to install one. My biggest question is the flange on the header, would it be a generic 2.5" flange, or something I'll most likely have to get custom made?






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Old 01-02-2015, 07:18 PM   #2
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https://www.mazdatrix.com/e3.htm
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Old 01-02-2015, 07:22 PM   #3
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Damn I needed that link quite a bit, the only question is any idea which two flanges I'll need? I know I need the 3" stainless stell one to connect to the Y-pipe for the exhaust, just not sure which I'd need for the header. Are header flanges universal shape wise?
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Old 01-02-2015, 08:26 PM   #4
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Yeah most 2 bolt flanges are alike. You will need a gasket flange and not a compression seal flange.
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Old 01-02-2015, 09:04 PM   #5
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I would think even your local parts store should have a small exhaust parts section. Might have 2 bolt flanges in 2.5 there.
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Old 01-02-2015, 10:17 PM   #6
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Yeah Im gonna call the shop Im having everything installed at before hand to make sure they have one in stock.
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Old 01-02-2015, 11:37 PM   #7
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Yeah Im gonna call the shop Im having everything installed at before hand to make sure they have one in stock.
Yeah I am sure they will have what you need.
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Old 01-04-2015, 02:25 AM   #8
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16 gauge mild steel seems a bit thin for a header unless its stainless steel . that thing is gonna be pretty loud , may be a racing beat would be a better fit or a custom build . my 2 cents .
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