Ancient forum post suggests these GTM test pipes do have the flange for the crush washer. I’m hoping that feature is there when I pull the test pipes off my car. Seems like the 3 bolt gaskets aren’t super reliable on the test pipes to header connection.
https://www.myg37.com/forums/intake-...nd-10rwtq.html
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2009 Sport Touring | Platinum Graphite | GTM Stage 1 Supercharger | BC BR Coilovers | Hotchkis Swaybar | Z1 FUCAs | AME TM-02 Wheels | Z1 2-piece Front Rotors | Z1 Clutch & Flywheel | Invidia Gemini Catback | GTM Resonated Test Pipes
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