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328 something funny with my exhaust

Discussion in '308/328' started by danman, Jun 8, 2008.

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  1. danman

    danman Karting

    Mar 31, 2008
    63
    Central NJ
    #1 danman, Jun 8, 2008
    I'm new to 328 ownership and have a question. I noticed that when idling the 'power' of the exhaust coming out of my right pipes is much stronger than the left side. The left exhaust smoke sounds wimpier, comes out slower, and is hotter.

    Any thoughts on this? Am I being too picky here?

    Thanks,
    Dan
     
  2. JohnnyS

    JohnnyS F1 World Champ
    Owner Silver Subscribed

    Oct 19, 2006
    15,280
    Illinois
    Full Name:
    John
    #2 JohnnyS, Jun 8, 2008
    It is all okay as they even out when going faster.:D

    Really, no problem, it is the same for all the 328's, or at least those that I have seen.
     
  3. danman

    danman Karting

    Mar 31, 2008
    63
    Central NJ
    #3 danman, Jun 8, 2008
    Thanks for the quick response. I figured.....everything felt good otherwise. Just thought I'd ask.

    Dan
     
  4. desire308

    desire308 Formula 3

    Oct 19, 2007
    1,433
    Florida
    Full Name:
    Peter W
    #4 desire308, Jun 9, 2008
    FYI...same on a 308....the right side is the shorter exhaust route so it idles stronger.
     
  5. danman

    danman Karting

    Mar 31, 2008
    63
    Central NJ
    #5 danman, Jun 9, 2008
    THANKS!
     
  6. Jedi

    Jedi Moderator
    Moderator Lifetime Rossa Owner

    Mar 18, 2008
    32,274
    Seattle Area
    Full Name:
    Dave
    #6 Jedi, Jun 9, 2008
    FWIW, I just put on a Tubi and new Cat on my 328, and now it's MUCH more even.
    But I had noticed the same thing before the upgrade. Now you REALLY have to look
    to see much of a difference.

    Jedi
     
  7. MPalilonis

    MPalilonis Karting

    Sep 30, 2003
    216
    Full Name:
    Mike
    #7 MPalilonis, Jun 12, 2008
    Good question!! The US version of the 328 has both the left and right exhaust headers emptying into the right side of the muffer hence the strong exhaust out the right pipe. The Euro version has the right exhaust header entering into the right side of the muffer and the left exhaust header entering into the left side of the muffer. Major reason the Euro 328 has much more even flow with stock muffer is because there is no CAT on them so the exhaust gas is sent to either side of the muffer and disperses more evenly....hence the 10hp.
     

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