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Thread: Exhaust pulses clicking/fluttering out of tips after cam install. Losing my mind.

  1. #1
    Junior Member Parrot's Avatar
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    Default Exhaust pulses clicking/fluttering out of tips after cam install. Losing my mind.

    Hi. Here's my G8.



    And here's two more cars doing it for good measure.

    https://www.youtube.com/watch?v=bSIhbctOLZ8

    https://www.youtube.com/watch?v=GKGyyZdv0oI

    I have only found a couple of threads pertaining to this, all resulting in no conclusion.

    I've heard it across multiple exhaust setups. My entire motor is brand new, and has been meticulously examined for the cause. Nothing is broken.

    This appears to be tune related. I've heard multiple G8s with my same exhaust setup and cam not make this clicking/fluttering noise.

    https://www.youtube.com/watch?v=9BwElwA_CFE

    This car only does it as RPMs drop after revving.

    Here's a car with a different cam and the same exhaust setup doing it.

    https://www.youtube.com/watch?v=QbNU4B5aWL8

    Here's two cars with the same cam and different exhaust setups not doing it.

    https://www.youtube.com/watch?v=3H2sknvMkuc

    https://www.youtube.com/watch?v=s6Eh3SrdFco



    Someone please help me. It's 5:20AM.
    Last edited by Parrot; 09-03-2020 at 01:23 AM.

  2. #2
    Beyond Help Slizzo's Avatar
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    Yeah can't imagine you'd hear anything mechanical all the way back there out the tail pipes.

    How are the cats on your exhaust? They in good shape? Everything tightened up and away from rattling on anything? Hangers look OK?
    2015 White Hot Chevy SS - Sunroof/Spare/Stick - BTR Stage 3 cam, headers, intake *Traded 11/11/2023*
    2018 GMC Sierra Denali 1500 - 6.2L, Ultimate Pack *Turned in 4/13/2021*
    2016 Jungle Green Metallic Chevy SS - Sunroof/Spare/Stick *Traded 2/1/18*
    2011 Radiant Silver Metallic CTS-V Wagon - Corsa Axleback, AirAid Intake *Traded 7/7/16*
    2008 Panther Black Metallic G8 GT * Sold 6/10/14*

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