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MR2 Roadster Owners Club

The Workshop => Maintenance, Problems & Troubleshooting => Topic started by: bobbe on February 15, 2024, 18:42

Title: OEM cat to back box gasket
Post by: bobbe on February 15, 2024, 18:42
Hello all,

I know OEM gaskets are recommended for the manifold to the cat. For connecting an OEM manifold to an OEM backbox, are OEM gaskets similarly recommended or will any of the various third party donut ones do the job?

Thanks!
Title: Re: OEM cat to back box gasket
Post by: normanh on February 15, 2024, 19:32
Never had a problem with OEM doughnut exhaust seals.

Norman
Title: Re: OEM cat to back box gasket
Post by: Gaz mr-s on February 15, 2024, 23:40
It's not so much Toyota-branded exhaust gaskets, as the type....crush rings at the front.

The conical wire type are very common.  This should be fine.
https://www.ebay.co.uk/itm/290581125056?itmmeta=01HPQHSV849JS2PGRD9QKKDRDY&hash=item43a7fc17c0:g:dNoAAOxyfpJSYAJc&itmprp=enc%3AAQAIAAAA0PeCFpxOit%2Brlg54ASfu0Eg1cq2xE2dkIf3OS0l%2BNw9tlwJjh7P2jN98k2FWtNIZdnPt9NSg6fpaPYem1Ea0IFWNeUtwFsp0xBFS8je4jrhQeNEtkvc0DgFjlTD6ce2F72OxzFQQvHoFeOy9XUz5iuUj4MT2rByNqc6Gi40xl5%2BCtDUf4xWKIfS2hp7EbSc31r8YCLHWNkLlkbdVf%2B85t4zvXJRTMi8L4b05WSfHLdYl4UyJT2QXvdHKNHZNbHr9HJqe62KVKtXEa22FJw8qWmQ%3D%7Ctkp%3ABk9SR5K05_G1Yw
Title: Re: OEM cat to back box gasket
Post by: Carolyn on February 16, 2024, 08:42
I had a non OEM donut, it needed some fettling to fit over the pipe. I made it work but it was a pain.  OEM ones aren't that expensive, so I'd say go OEM.
Title: Re: OEM cat to back box gasket
Post by: mr2garageswindon on February 16, 2024, 09:56
OEM.. Do it right do it once.
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