Thread: Exhaust Leak
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Old 12-05-2019, 02:36 AM   #13
siickwrx
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Join Date: Dec 2019
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Quote:
Originally Posted by metalheadsunite View Post
I am not sure what the Greddy catback uses but I have Invidia downpipe and Cobb catback and had to use the Grimmspeed adapter with a flat gasket on one side and a donut gasket on the other. Ended up fixing my issue.

Like here: https://www.subispeed.com/2015-subar...5-wrx-2015-sti
I actually have that adapter. Does the cobb catback have a 3" flange or 2.5"?
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