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exhaust cutouts. where?

This is a discussion on exhaust cutouts. where? within the External Engine forums, part of the LSx Technical Help Section category; i want to put the exhaust cutouts in my exhaust. i am interested in hearing from people who have done ...

  1. #1
    boycott wal-mart
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    98 T/A WS6

    exhaust cutouts. where?

    i want to put the exhaust cutouts in my exhaust. i am interested in hearing from people who have done this and where they put them/it. also i wanted to make sure i get the right one. what is the correct exhaust sive on a stock 98 ws6? thanks

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    After the y-pipe.

  3. #3
    boycott wal-mart
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    98 T/A WS6

    are they 2 1/2 or 3 in pipes?

    Quote Originally Posted by Mr. Luos View Post
    After the y-pipe.
    does your exhaust kinda flatten out after the y pipe?

  4. #4
    Slow'er'Ass Mr. Luos's Avatar
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    I can't remember what the stock pipes look like there. Or what size they are.
    Sorry.

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    Quote Originally Posted by Semperfiws6 View Post
    does your exhaust kinda flatten out after the y pipe?
    no its round, and its 3" all the way back.

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    Senior Member mrr23's Avatar
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    Member cobrahunter's Avatar
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    Mine is after the CAT.


  8. #8
    boycott wal-mart
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    you only did one?

    Quote Originally Posted by cobrahunter View Post
    Mine is after the CAT.

    Click for full size
    where did you put the other one?

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    Member Transam388's Avatar
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    Many and at least mine is a little before the rear end before it goes over the axle.
    98 T/A: HPE 5.3 Heads, 238/242 113 cam, Kooks 1 7/8 stepped LT headers, Custom Y pipe, Cut out, Borla, NW 90MM TB, FAST 90MM Intake, TB Bypass, Under Drive Power steering and Crank, 150 Dry NOS, Yella Terra rockers, 3400 TC, HPE tuning,

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    Quote Originally Posted by Semperfiws6 View Post
    where did you put the other one?
    most people only do one - which is after the cats. The only time you would do 2 is if you put 1 before each of the cats.

  11. #11
    Ricekiller z28punk's Avatar
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    The only time you would do 2 is if you put 1 before each of the cats.
    that would be awesome. it would almost be like open headers.

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    Quote Originally Posted by z28punk View Post
    that would be awesome. it would almost be like open headers.
    yepp pretty much

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    Senior Member mrr23's Avatar
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    Quote Originally Posted by 99blueZ View Post
    most people only do one - which is after the cats. The only time you would do 2 is if you put 1 before each of the cats.
    and if you have stock manifolds, you can only put it in front of the passenger side cat as the driver's side is bolted directly to the manifold. in 2000-up, both cats are bolted directly to the manifolds.

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    Quote Originally Posted by mrr23 View Post
    and if you have stock manifolds, you can only put it in front of the passenger side cat as the driver's side is bolted directly to the manifold. in 2000-up, both cats are bolted directly to the manifolds.
    oh yea you are right i forgot he was stock. I was thinking about with longtubes.

  15. #15
    Ricekiller z28punk's Avatar
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    I was thinking about with longtubes
    doesnt everybody? hehehehe

  16. #16
    Member cobrahunter's Avatar
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    All you non-Californians are soooo lucky you don't have our bullshit restrictive emissions requirements.

    Let me tell you, the only 3 times I've had to go have my car smog checked, before they even hooked up their gizmos to my car, they (squeezed) their heads underneath to see what's there. They see the cutout, but it is closed. No long-tubes, so it's cool. All of the, well, legit speed shops around here won't even install a set of long tubes on cars that are driven to and from the shop.

    So no, long tubes aren't an option for me.

  17. #17
    Junior Member fastz99's Avatar
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    where do you put them if you have no cats and have a true dual setup do you put them after the xpipe or after the LT headers

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