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Thread: muffler delete iside muffler itself pics and video ecellent mod for a coupe enjoy

  1. #1
    obd2 is offline Cadillac Owners Fanatic
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    muffler delete iside muffler itself pics and video ecellent mod for a coupe enjoy

    IMG_20130318_160118.jpgIMG_20130319_233029.jpgIMG_20130319_201258.jpg
    Inside the muffler a y pipe was installed with a QTP valve. Love this mod because you adjust the sound to stock to wild.
    my perference is 1/8 to 1/4 open via remote transmitter. the video only show full open to close. You can clearly see the better flow open vs closed by the steam out the tail pipes

    video
    http://youtu.be/BUfp-3xsOTI

    Enjoy by the way i never did much welding before, but better after this mod

    Last edited by obd2; 03-21-13 at 10:03 PM.

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  3. #2
    Tedboss1's Avatar
    Tedboss1 is offline Cadillac Owners Connoisseur
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    Re: muffler delete iside muffler itself pics and video ecellent mod for a coupe enjoy

    Sound great.
    What other mods did you do to your car over the winter?

  4. #3
    obd2 is offline Cadillac Owners Fanatic
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    Re: muffler delete iside muffler itself pics and video ecellent mod for a coupe enjoy

    ported blower&heads/cam/headers/90mtrottle/meth alky/new era intake/2.55 and 9.1 pulley/now working on a tune

  5. #4
    baabootoo's Avatar
    baabootoo is offline Cadillac Owners Connoisseur
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    Re: muffler delete iside muffler itself pics and video ecellent mod for a coupe enjoy

    Did you keep the second set of converters up front?

  6. #5
    obd2 is offline Cadillac Owners Fanatic
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    Re: muffler delete iside muffler itself pics and video ecellent mod for a coupe enjoy

    Quote Originally Posted by baabootoo View Post
    Did you keep the second set of converters up front?
    i went with american racing headers it comes with cats and pipes to hook-up to stock muffler for a sedan or coupe. I prefer them over others best built header in my opinion

  7. #6
    Tedboss1's Avatar
    Tedboss1 is offline Cadillac Owners Connoisseur
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    Re: muffler delete iside muffler itself pics and video ecellent mod for a coupe enjoy

    Quote Originally Posted by obd2 View Post
    ported blower&heads/cam/headers/90mtrottle/meth alky/new era intake/2.55 and 9.1 pulley/now working on a tune
    After you are done are you going to put the car on the dyno?
    Last edited by Tedboss1; 03-25-13 at 09:01 AM.

  8. #7
    obd2 is offline Cadillac Owners Fanatic
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    Re: muffler delete iside muffler itself pics and video ecellent mod for a coupe enjoy

    Dyno yes! but will street tune it first without getting on the hammer, but the problem is snow. Hard to believe we got snow given the prior years. last year same time people were in bikini's and short

  9. #8
    baabootoo's Avatar
    baabootoo is offline Cadillac Owners Connoisseur
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    Re: muffler delete iside muffler itself pics and video ecellent mod for a coupe enjoy

    Ahhhhhhhh, nice.


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