Jasper Mechanical's Cu Gaskets
 
Laser cut 0.063" Copper
Gasket ID matches 2" schedule 10 pipe
Direct replacement for OEM part number 44022AA150
Copper is soft enough to help seal mating surfaces better than other materials
 
Fits many turbo Subaru models such as WRX, XT, STi and more. 
 
NOTE: It is recommended, when possible, to retorque the hardware after a heat-cycle to factory torque settings.