Question about 1987 Pontiac Firebird

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Looking for the sizes of the flandges, gaskets, and clamps on my stock y-pipe exhaust system.

Hi, one of the exhaust gaskets went on my 1987 2.8L V6 pontiac firebird and it sounds like a train lol, anyways I need to replace it and I don't know what the sizes are for the flanges ( i beleive that's how it's spelt), gaskets and clamps. Any kind of help would be most appreciated. Thanks, Mike

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  • Anonymous May 20, 2009

    I tried that already and unfortunatly around where I live there arn't many automobile places around here :(

  • pillsbarry May 20, 2009

    I've already tried....why do you think i'm asking the question....the only place around here has a bunch, but they're not labeled and they have no clue what size it would be...hence why i'm trying to find out

  • pillsbarry May 21, 2009

    Thanks, yeah most of our shops are really old and the guys who run em like everything the way it used to be and can't be bothered with the times lol..

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  • Pontiac Master
  • 6,982 Answers

Go to any parts house. Those parts are listed in the book or computer...they have a complete diagram of your exhaust in there!

Posted on May 20, 2009

  • 1 more comment 
  • Richard Scordino May 20, 2009

    Or, you can waste your time measuring them and waiting for someone else here to measure one so you can have information you really don't need to know Because the parts house will ask you which engine and what year, look on the computer and there it is!!!

  • Richard Scordino May 21, 2009

    OK...google napa auto parts...I just did I believe the parts you need areBK6001812 and 31550 (that's flange, bolts and gasket.just enter you8r cars info and go from there. You can order online...parts without shipping come to under $20. I can't believe that any parts house does not at least have an application book...The exhaust companies give them to dealers free!!!

  • Richard Scordino May 21, 2009

    I started in the auto business in the early 60's and even then they had books and could read them...how do you think we could get new gaskets for a tricerotops hubcap!!! good luck!!

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