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  1. #1
    King 0f n00bz shady milkman's Avatar
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    Jan 2006
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    Shepherd, Michigan
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    11,770

    blacker than wesleysnipes
    98' trans am

    a quick question

    hey
    i was watching speed channel and bursts of flames would shoot out of the car's exhuast ... i was just wondering why this happens and if it serves a purpose?

  2. #2
    Senior Member 02z28ls1's Avatar
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    Sep 2005
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    near St. Louis
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    1,205

    navy blue
    2002 Z-28 Camaro M6

    What kind of racing were you watching?What you are seeing is excess fuel catching fire from the hot exhaust heating it and it catches fire as it hits the oxygen in the air.No it doesn't serve any purpose-the race engines are run to the ragged edge and when the throttle snaps shut there is some unburnt fuel sent through the engine.Now on rally cars they are backfired on purpose between shifts to keep the turbochargers spooled up.That's why you see fire and hear them pop between shifts -they have an electronic gizmo set-up to purposely backfire when shifting.With no muffler and short exhaust systems it's very easily seen in a race car.

  3. #3
    Here for entertainment 502ci's Avatar
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    Dec 2005
    Location
    Ohio
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    271

    black
    97 6-speed corvette

    Or were you seeing a hotrod with the spark plug in the exhaust tip trick? If so it`s just for show.

  4. #4
    endub6
    Guest
    I just sold my 04 SRT4, it had a mufflerless exhaust system, and on WOT shifts, would shoot flames out of the tailpipes, scared the shit out of my buddies!!!

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