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^^LMAO^^
As long as it's a metal gasket, it should be fine if properly torqued.
In this location, a paper/grafoil gasket will blow quickly due to the amount of heat the turbine puts out... which is why even the OEM 5-bolt outlet gasket is metal.
On that note, OEM is the best possible bet.
As for any other gasket in the exhaust system (besides 4-bolt turbine manifold flange), the regular grafoil gaskets are fine so long as the exhaust system is properly hung & secured.
Weird that there are different PN's for the T25/T28 5-bolt gaskets... IIRC, that flange is a standard size. I run the OEM gasket from OEM S13 blacktop rebuild kit with a Tomei M8270- works nicely. Not calling BS, just saying that it's unsurprisingly weird.
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