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Exhaust Y-Pipe flange gaskets (Page 1/1) |
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Filben
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APR 06, 10:26 AM
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I need to know the part # or listing for the Y pipe flange ends that connect to the manifolds and the single flange seal where it connects at the other end. Thanks everyone, you all are invaluable to get this hoopity running.
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Dennis LaGrua
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APR 06, 11:13 AM
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If you're referring to where the crossover pipe connects to the exhaust manifolds I don't believe that there were never any gaskets there there, only wedge connections. ------------------ " THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite. "THE COLUSSUS" 87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H " ON THE LOOSE WITHOUT THE JUICE "
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IMSA GT
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APR 06, 12:58 PM
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quote | Originally posted by Dennis LaGrua:
If you're referring to where the crossover pipe connects to the exhaust manifolds I don't believe that there were never any gaskets there there, only wedge connections.
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Correct. I believe the manifolds to crossover pipe are wedge connections but the crossover to catalyst has a gasket. The op will need to order one according to which year car he has. Fierostore sells them.

Number 2 is what you need:
 [This message has been edited by IMSA GT (edited 04-06-2025).]
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Filben
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APR 06, 02:40 PM
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quote | Originally posted by IMSA GT:
Correct. I believe the manifolds to crossover pipe are wedge connections but the crossover to catalyst has a gasket. The op will need to order one according to which year car he has. Fierostore sells them.

Number 2 is what you need:

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Interesting, I figured it had a little donut at the manifolds too. Well that saves some money.
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