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a exhaust question

This is a discussion on a exhaust question within the External Engine forums, part of the LSx Technical Help Section category; so i know i am not alone.... after i went long tubes with a ORY matched with my magnaflow catback ...

  1. #1
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    a exhaust question

    so i know i am not alone....

    after i went long tubes with a ORY matched with my magnaflow catback i have noticed something odd.

    when i give it throttle ..my driver side exhaust is the only outlet that is showing exhaust "smoke" ...i am sure both are pushing out gases ..but the driver side is pushing so much more . when i drive i look out my back window and see the driver side really puffing while the other side is not noticeable.


    so why does it do this ?

  2. #2
    formally 01 T/A 0verkill's Avatar
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    "Arrest Me Red"
    2001 trans am

    it must be the muffler i have the same set up and get the same thing

  3. #3
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    pajeff02's Avatar
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    Black & Blue
    '02 WS.6 / '07 Suburban

    Same thing here, only with stock manifolds and Y going to my Magnaflow catback. No explanation other than the exhaust would have to turn to exit the passenger side pipe -- path of least resistance is the driver side.

  4. #4
    Member BlackSS1's Avatar
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    2001 Camaro SS Vert

    Same deal on my car. Magnaflow muffler design,particularly at idle. More passenger side exhaust under throttle than idle

  5. #5
    Member luvmyz28's Avatar
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    99 z28

    same here.

  6. #6
    Firebird Encyclopedia 9T8W66's Avatar
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    Navy Blue Metallic
    `98 Formula M6 HdTp

    Come on guys isn't it obvious ?

    pajeff02 nailed it "the exhaust would have to turn to exit the passenger side pipe -- path of least resistance is the driver side."

    The single muffler systems that use the stock configuration will always do this because the gasses have to turn 180* around inside the muffler to exit on the right side. This creates turbulence and a loss of efficiency which hurts flow and power output.

    This is the reason behind the existence of the Old SLP Dual on the Left, the `98 Only Single on the left and any subsequent aftermarket (Mufflex) single out systems.
    Craig
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  7. #7
    Veteran Hi-Po's Avatar
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    1999 TA WS.6

    Quote Originally Posted by pajeff02 View Post
    path of least resistance is the driver side.
    There's the obvious answer

  8. #8
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    well i assumed that was the issue..i was just surprised how much of a difference there was ..even with long tubes etc.

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