What the f* is that sound?
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This is a discussion on What the f* is that sound? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; My 04 WRX (only mod is an SPT intake) started sounding like i have an aftermarket exhaust while driving today. ...

  1. #1
    Registered User Scooby3's Avatar
    Join Date
    Dec 2005
    39 52′ 14″ N, 75 23′ 27″ W

    What the f* is that sound?

    My 04 WRX (only mod is an SPT intake) started sounding like i have an aftermarket exhaust while driving today. It was fine this morning and tonight around 4 when I went to pick up a friend to head down to the Flyers game, all of a sudden the car sounds like I have no muffler. Its louder than most modified WRXs Ive heard on the road. Friends are thinking exhaust leak. Im getting under it tmr to take a better look in the day light to see if I can see any noticeable issues.... Any ideas?
    2004 PSM WRX Kartboy Short Shifter, SPT Cold Air Intake, TurboXS Turboback Exhaust, Cobb AccessPort Stage II
    Blobeye Syndicate #123
    Dirty Crew #123

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  3. #2
    Registered User
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    May 2010
    Chicago, IL
    The only reason I could think your car would start sounding like that, exhaust leak. Either you got a hole in it, or it got disconnected at one of the joints. You should've felt a power loss too.

  4. #3
    Good news, everyone! xxxxxxxAnub1s's Avatar
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    Jan 2005
    Eh, whaaaaa?
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    More than likely an exhaust leak as you suspect. Metal tends get a little "holey" after a while, especially in snow plagued areas where salt is used.
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  5. #4
    The Fruit mangostick's Avatar
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    Oct 2009
    VB VA .. the ghetto on the sea
    def a leak, and you wont notice any change in power if the leak is post turbo..

    if it was before the turbo you'd notice laggy response and a possible drop in power.

    likely, you're exhaust has gone religious on ya Winter+exhaust steel= short lifespan.
    OBP 2010 5dr *traded*
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