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black residue in exhaust

This is a discussion on black residue in exhaust within the General Help forums, part of the LSx Technical Help Section category; I have upgraded my stock exhaust to a cat-back Magnaflow exhaust I've noticed black residue accumulating in the drive side ...

  1. #1
    Junior Member
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    Pewter
    2001 Pontiac Trans Am

    black residue in exhaust

    I have upgraded my stock exhaust to a cat-back Magnaflow exhaust I've noticed black residue accumulating in the drive side tip. I thought maybe it was just cause of new exhaust being broken in, but its 1,500 miles later and still doing it. This may have been going on for awhile just never noticed because the new exhaust tips are highly polished. The car does not blow black smoke or anything. It has only 42,000 mile on it.

    Any ideas on what the problem might be?

    or

    Is it just normal and keep on cleaning the tips frequently


  2. #2
    Senior Member TransAm11973's Avatar
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    Black
    2000 Trans Am WS6

    sounds like normal carbon build up to me

  3. #3
    I see Yello and I like it 02cetransam's Avatar
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    yellow
    02 Collector Trans Am

    also sounds normal to me

  4. #4
    Smiles for 9.5 Years cammed goat's Avatar
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    Phantom Black Metallic
    2004 GTO M6

    Get used to it and enjoy. Keep the polish handy when ya wash the car.

  5. #5
    Firebird Encyclopedia 9T8W66's Avatar
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    Navy Blue Metallic
    `98 Formula M6 HdTp

    It's normal and the reason why it only seems to accumulate on the drivers side is because most of the exhaust flows out that side.
    Craig
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  6. #6
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    Black & Blue
    '02 WS.6 / '07 Suburban

    Have the same thing out of our stock tips. Just touch them up with some extra fine steel wool and polish every week or so to keep them clean.

  7. #7
    Junior Member 00TransAm's Avatar
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    Dark Blue Metalic
    2000 WS6

    sounds like you might need to take it out on the highway and open it up-lol
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