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Header Question

This is a discussion on Header Question within the External Engine forums, part of the LSx Technical Help Section category; Are than any Stainless Steel headers that allow me to keep my stock Cats? Also will I need to get ...

  1. #1
    Member
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    Red
    98 Trans Am Ws6

    Header Question

    Are than any Stainless Steel headers that allow me to keep my stock Cats? Also will I need to get an aftermarket y-pipe?

  2. #2
    Member Sunset T/A's Avatar
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    Sunset Orange
    2002 TransAm

    No. You will have to choose a brand of headers, and then get their
    High flow catted Y-pipe to match them. Example: Kook's Headers and Kook's Catted Y-Pipe. I will say, I love my Kook's set-up, IF you can afford it. It's really expensive, but you only get what you pay for.

  3. #3
    member since may 2000 nhraformula's Avatar
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    n/w chicago
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    black
    2000 nhra edition formula

    stock cats will not work
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  4. #4
    Senior Member INMY01TA's Avatar
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    Black
    2001 Trans Am (sold)

    Only headers you can use with stock y/cats are shorties and, well, why bother? Long tubes and mid lengths will require new y/cats.

  5. #5
    Member jag42420's Avatar
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    Silver
    2002 WS6 Trans Am

    Quote Originally Posted by INMY01TA View Post
    Only headers you can use with stock y/cats are shorties and, well, why bother? Long tubes and mid lengths will require new y/cats.
    Exactly, and your stock manifolds flow better than most shorties.

  6. #6
    Member Z ROADSTER's Avatar
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    PEWTER
    2002 Z/28 VERT.

    Talking

    Quote Originally Posted by jag42420 View Post
    Exactly, and your stock manifolds flow better than most shorties.


    Right ! I've read where the 2002's come with the 02 / Z06 exhaust manifolds which flow much better than earlier year LS1's.

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