ian kam

comming down from the headers to crossover going to wastegate....is there a gasket in the triangle flanges?

Songzzz

There is a metal O ring.

Joe Jackson

There should be metal crush rings in the grooves in the flanges. Just like an o-ring but metal. Porsche did not use typical exhaust gaskets anywhere on the 951.

Songzzz

Yes, Crush Rings. Some P/Ns for you:

TURBO IN/CROSSOVER AT HEADERS/WASTEGATE OUT = 944 111 205 04
CRUSH RING TURBINE OUT / DOWN PIPE TO MAIN = 944 111 205 03
CRUSH RING WASTEGATE IN = 993 111 195 00
CRUSH RING WASTEGATE IN ( 2 PC. CROSSOVER) = 930 123 134 04
CRUSH RING WASTEGATE PIPE TO PRI EXHAUST = 951-123-134-02