I purchased a dc2 type r axel back and it came with gsr piping including the cat. For some reason the axel back is not fitting over the gasket completely and im getting a leak. When i ordered a new gasket the guy said the type r and gsr axel back gaset are the same. This is the same problem with the cat. I took the gsr cat off as it wont work on my 94 RS and used mine, i had to put it on without the gasket because gasket because it was to thick and it wasn't fitting on correct. Can anyone shead some light? thanks