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  1. #1

    Default stock exhaust size?

    hey i got a new muffler and i need to know what size the stock exhaust tubing size on a 90 celica gt. im not sure im guessing either 2" or 1 3/8" but not sure so if anyone knows please post as soon as possible so i can go get an adaptor to fit my new muffler. thanks alot guys
    1990 celica gt hatchback. system 10, alpine cd-player, two 12" cadence TXW-12S series subwoofers, 1200 watt TXA-3002 cadence amp, rockford wire. custom build box tuned to 32hz.

    new system added. four 12" ultra linear subs in a dual/common chamber tuned to 38hz. = alot of flex!

  2. #2

    Default

    1.75 i belive....at least thats what the ID is on my st

  3. #3

    Default

    I think it is 2" for the 5sfe, but it has been years since I had a GT. I would say to just go out and measure the circumference of the pipe. Then use the equation:

    Circumference of the pipe divided by 3.14 (this is Pi) equals the diameter.

    Edit: Here is an example... If you measure a circumference(the length around the pipe) at 6.25", you would get 6.25 / 3.14 = 1.99 inches... basically 2 inches.
    Last edited by Playfortoday; 04-26-2007 at 04:15 AM.
    2007 Mazda RX-8 GT
    1992 Toyota Celica All-trac Turbo

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    MeOw?! ^_^ ... ZoOm ... rAr! ... *eats a fish*

  4. #4

    Default

    Good one Play.
    1990 GTS - Currently under the knife to be DD again.
    1990 GT - Currently being parted out. Let me know what you need

  5. #5

    Default

    alright cool thanks guys, by eye it looks like 2" but i need to be positive. ill do that tonight thanks
    1990 celica gt hatchback. system 10, alpine cd-player, two 12" cadence TXW-12S series subwoofers, 1200 watt TXA-3002 cadence amp, rockford wire. custom build box tuned to 32hz.

    new system added. four 12" ultra linear subs in a dual/common chamber tuned to 38hz. = alot of flex!

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