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Exhaust

This is a discussion on Exhaust within the External Engine forums, part of the LSx Technical Help Section category; If I cut the Y pipes after the cats. And welded a flan on each pipe.Would that be almost as ...

  1. #1
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    Exhaust

    If I cut the Y pipes after the cats. And welded a flan on each pipe.Would that be almost as good as having headers. Because I am on a budget. I have a 1999 Z28 LS1

  2. #2
    TJEA Retirement Home Dr.Crash's Avatar
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    Quote Originally Posted by robertsdash View Post
    If I cut the Y pipes after the cats. And welded a flan on each pipe.Would that be almost as good as having headers. Because I am on a budget. I have a 1999 Z28 LS1
    not even close

  3. #3
    515 HP TrickFlow Package BADASS2000SS's Avatar
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    440 RWHP / 410 TQ
    2000 SLP CAMARO SS

    Nope.
    2000 SLP Camaro SS M6 * 515 HP TrickFlow Package * FAST 92 MM Intake * Nick Williams 92 MM TB * Volant CAI * Granatelli MAF * Full Custom True Dual Exhaust with X-Pipe * Tuned by Breathless Performance

  4. #4
    Senior Member GULLETT17's Avatar
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    00 TA PWTR, 98 VertTA NBM
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    as they say in spanish . . . no

  5. #5
    Exalted Cyclops 67CamaroRSSS's Avatar
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    2002 Z28 A4 NBM
    Sadly now demodded :(

    As they say in German: NEIN!

    Headers have tubes that are longer than the cast iron manifold logs that allow the exhaust pulses to not interfere with one another, promoting scavenging which allows for a fresher incoming intake charge.

    There is more to it than that (i.e., a collector and a crossover pipe that allows for 1 exhaust pulse to pull on another) but that's it in a nutshell. Headers are also lighter in weight and allow the heat of the heads to be radiated away better.
    Last edited by 67CamaroRSSS; 03-31-2009 at 11:52 AM. Reason: spelling

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