Congested exhaust
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This is a discussion on Congested exhaust within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hey, My cars sick. When I let off the gas or shift at a high rpm my exhaust sounds really ...

  1. #1
    Registered User Undone10's Avatar
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    Congested exhaust

    Hey,
    My cars sick. When I let off the gas or shift at a high rpm my exhaust sounds really congested. It sounds like it's backfiring a little bit and just all choppy. I know this explantion sucks but if anyones got any ideas I'd appreciate it.
    - 2011 WRB STI

    Cobb stage II tune ~ Invidia TBE * Cobb Intake

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  3. #2
    Registered User JUSTINSNUTSWINGER's Avatar
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    It's called "afterfire"..... One main culprit I have found is that the car might be running a little rich.

    You have a wideband ?
    N-swinger

    2000 Escort

    Maintenance schedule and poke in the eyes:
    http://www.clubwrx.net/forums/genera...nce-guide.html

  4. #3
    Registered User Undone10's Avatar
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    I'm not sure what that even is but it just started doing this about a month ago and never did before.
    - 2011 WRB STI

    Cobb stage II tune ~ Invidia TBE * Cobb Intake

  5. #4
    Registered User JUSTINSNUTSWINGER's Avatar
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    Get your AFR's down to see if it's the problem.... Check your plugs as well. How many miles are on the car... what year, make?
    N-swinger

    2000 Escort

    Maintenance schedule and poke in the eyes:
    http://www.clubwrx.net/forums/genera...nce-guide.html

  6. #5
    Registered User Undone10's Avatar
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    Its a 04 WRX Impreza with like 49,000 miles.
    - 2011 WRB STI

    Cobb stage II tune ~ Invidia TBE * Cobb Intake

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