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question bout exhaust

This is a discussion on question bout exhaust within the External Engine forums, part of the LSx Technical Help Section category; is there much performance gains to be had on an 02 ws6 by getting rid of the cats and going ...

  1. #1
    Senior Member big hammer's Avatar
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    silver
    2002 ws6

    question bout exhaust

    is there much performance gains to be had on an 02 ws6 by getting rid of the cats and going to a full dual exhaust?

  2. #2
    🤔 11s. blackbirdbrain89's Avatar
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    go with mangaflow cat back

  3. #3
    Senior Member big hammer's Avatar
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    why?

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    Member C&Cbird's Avatar
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    If your going to put duals on it, you should have headers for the best power gain. Deleting cats really doesn't help power that much.

  5. #5
    Senior Member big hammer's Avatar
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    should put headers on, but i hate dealing with constant leaks

  6. #6
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    Quick Silver
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    As said above just removing cats is not going to be a real big difference. Can't really hurt though

    You get yourself some nice quality headers with a good flange like SLP or QTP or Kooks and you won't have any leaking issues.

    In the past I have gone with the cheap $300 - $450 and had those same issues. I slapped some SLP LT's on last year torqued them to spec and have had no problems AT ALL!


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  7. #7
    Senior Member big hammer's Avatar
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    k but what about gains with full duals, no cats and stock manifolds over stock exhaust system?

  8. #8
    Senior Member Tyler_LS1's Avatar
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    Quote Originally Posted by big hammer View Post
    k but what about gains with full duals, no cats and stock manifolds over stock exhaust system?
    you will prolly see 10-15 hp gain.

    why not headers?
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  9. #9
    Senior Member big hammer's Avatar
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    Quote Originally Posted by Tyler_LS1 View Post
    you will prolly see 10-15 hp gain.

    why not headers?
    because headers make me angry then i swear at them. it's a bad way to party.

  10. #10
    Member egod's Avatar
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    yeai put headers in my 75 lemans and that was a bitch, and you know howm uch room there is under those hood, i could imagine doing that in my TA

  11. #11
    Pathelogical Liar BlackLT1Z28's Avatar
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    Don't go with SLP longtubes, whatever you do. They have the worse ground clearance out of any of them.

  12. #12
    Member C&Cbird's Avatar
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    I've had hooker headers on my car since 03 and not a single problem

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