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Cutout

This is a discussion on Cutout within the External Engine forums, part of the LSx Technical Help Section category; what is the standard cutout size that they use for our cars?...

  1. #1
    Junior Member 1998ss's Avatar
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    white
    1998 camaro ss

    Cutout

    what is the standard cutout size that they use for our cars?

  2. #2
    Veteran Blackbird WS6's Avatar
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    are you asking what size cutout fits stock exhaust piping??

  3. #3
    Senior Member rajiv1998's Avatar
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    Black
    1998 Pontiac Trans Am

    3" should be fine
    "Life is to short to drive a slow car"

    Gone but not forgoten: 1998 Pontiac Trans Am M6 "The Black Bandit"
    Bought- 11-18-05
    Sold- 10-14-08

  4. #4
    Junior Member 1998ss's Avatar
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    white
    1998 camaro ss

    yea i do mean stock, and where is a good location, under passenger seat?

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    dbl clutch'n like i shld WICKEDLS1's Avatar
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    Quote Originally Posted by 1998ss View Post
    yea i do mean stock, and where is a good location, under passenger seat?
    i have a 3" and i have it in the hump under the rear passenger seat. i works great right there especially if you have an electric cutout

  6. #6
    Veteran Blackbird WS6's Avatar
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    i dont remember what stock piping size is...most likely 2.5 or 2 1/4

  7. #7
    dbl clutch'n like i shld WICKEDLS1's Avatar
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    Quote Originally Posted by Blackbird-WS6 View Post
    i dont remember what stock piping size is...most likely 2.5 or 2 1/4
    2 1/2 i believe

  8. #8
    Veteran Blackbird WS6's Avatar
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    Quote Originally Posted by WICKEDLS1 View Post
    2 1/2 i believe
    then hes going to need a 2.5 cutout if hes running stock piping

  9. #9
    dbl clutch'n like i shld WICKEDLS1's Avatar
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    Quote Originally Posted by Blackbird-WS6 View Post
    then hes going to need a 2.5 cutout if hes running stock piping
    true lol i bought my car with the ORY and 3" back to the muffler

  10. #10
    Member JRENIGAR's Avatar
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    red
    99 camaro

    stock size is 2.75in. A 3in cutout will slip over it and work nice when welded in.

  11. #11
    dbl clutch'n like i shld WICKEDLS1's Avatar
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    Quote Originally Posted by JRENIGAR View Post
    stock size is 2.75in. A 3in cutout will slip over it and work nice when welded in.


    also once you open it you wontwant to close it. at least thats the way i am i opened it half way and now i dont ever want to close it because i love the sound so much

  12. #12
    used and abused at wot ibanez7's Avatar
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    2001 Camaro Z28 M6

    i had a 3" cutout with LTs and ORY that I left open until I installed a big cam...

    once the cam was installed and LM2 followed. cutout and cam was too loud and too many fumes in the car, even with a great tune.

  13. #13
    dbl clutch'n like i shld WICKEDLS1's Avatar
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    Quote Originally Posted by ibanez7 View Post
    i had a 3" cutout with LTs and ORY that I left open until I installed a big cam...

    once the cam was installed and LM2 followed. cutout and cam was too loud and too many fumes in the car, even with a great tune.
    true, a cammed car has a distinct smell to it and i already have that problem too

  14. #14
    Junior Member 1998ss's Avatar
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    white
    1998 camaro ss

    y would you get a cutout if you have ltʻs and ory

  15. #15
    Senior Member rajiv1998's Avatar
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    Quote Originally Posted by 1998ss View Post
    y would you get a cutout if you have ltʻs and ory
    Its basically like running open headers. Most weld it on the headers right before it splits into the Y-pipe. This way the fumes come straight out of the headers and into the ground instead of making their way back to the rear of the car and out the exhaust tips. Performance wise I heard mix reviews (gaining power), but sound wise its ear bleedingly loud!!!

  16. #16
    used and abused at wot ibanez7's Avatar
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    Quote Originally Posted by WICKEDLS1 View Post
    true, a cammed car has a distinct smell to it and i already have that problem too


    true about the smell... the scent of it didnt bother me, but my gf and I would both start feeling dizzy or lightheaded if we where stuck in traffic too long with the cut out open.

    So now I run the LM2, all fumes and smell exit the back instead of under the cab

  17. #17
    Senior Member Justin23454's Avatar
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    1998 Trans Am

    I have LT and ORY with Cutout (3inch, stock pipe), it sounds SO much better with the cutout, once you close it..... your car sounds like a bitch
    Last edited by Justin23454; 11-16-2010 at 10:57 AM.

  18. #18
    Junior Member Clichese's Avatar
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    2001 Trans-Am

    Mines stock, and i have a 3'' cutout.

  19. #19
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    1998Z28

    DMH cutout with a Hooker Catback is like the best of both worlds. Quiet when it has to be and loud when I want it to be.
    TSP 347 SB, TSP Stage 2.5 PRC LS6, TSP MS4, Performabuilt Stage 2 4L60E, Yank PT4000, 4.11s, Fast 90/90, FTRA Cold air intake+all the free mods, Dynatech Supermaxx Exaust System, DMH Cutouts, Hooker Catback/FTRA Tips. Tuned by RPM/Garner NC. 11.28@119

  20. #20
    dbl clutch'n like i shld WICKEDLS1's Avatar
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    Quote Originally Posted by Justin23454 View Post
    I have LT and ORY with Cutout (3inch, stock pipe), it sounds SO much better with the cutout, once you close it..... your car sounds like a bitch
    i dont ever want to close mine

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