Thread: Exhaust leak on 04 GTP

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  1. #1 Exhaust leak on 04 GTP 
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    I think I may have an exhaust leak and I can't seem to pinpoint the source. It definitely sounds like its under the hood somewhere but I can't pinpoint it. I was wondering if there is a known issue to look for. It doesn't sound like its towards the front of the car and also sound like it from the crossover pipe. It sounds to be more towards the firewall. Does anyone know of a weak point in the system? Thanks


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  2. #2 Re: Exhaust leak on 04 GTP 
    Killa Bee Scottydoggs's Avatar
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    get some seafoam and once you start it back up look for the smoke to be coming out from anywhere engine to the tail pipes.

    where ever you see smoke is your leak.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: Exhaust leak on 04 GTP 
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    Great idea. I'll have to go pick some up.


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  4. #4 Re: Exhaust leak on 04 GTP 
    I live here. stealthee's Avatar
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    If you have stock downpipe it could be the flex

    This was mine



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    1991 Mitsubishi 3000GT - Many mods to come
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