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  1. #1

    Default Flowmaster American Thunder Exhaust Systems

    Does any run this system with the super 40 muff?? If so ho do you like it, i am considering this exhaust system.

  2. #2


    no one ahh??

  3. #3


    Quote Originally Posted by BLK-Z71 View Post
    Does any run this system with the super 40 muff?? If so ho do you like it, i am considering this exhaust system.
    I dont but check out you tube and you'll be able to hear it and see how it looks
    If you find yourself slipping,.....tie a knot.....hold on tight

    2008 silverado
    1500 crew cab
    5.3 L 4x4
    Borla exhaust, rbp black tip
    tint, bed liner
    2.25 in ready lift leveling kit
    18x9 rbp 94r
    33x12.5x18 toyo mts

  4. #4
    Legend 2ToNe04's Avatar
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    Apr 2009
    Fresno California
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    super 40 is the cleanest sound and best ive heard from flowmaster.

    2004 4.8| Custom Paint| Tint| De-badged| Shaved Tailgate| Rollpan| Smoked Tails| Color Matched| Lowered 5/8| Suede Interior| Color Matched Interior| Indash & TVs| Mids-Lows & 2 12" CVRs| 500 & 1100 Interfires| Soundeadener| Outlaw CAI| Magnaflow|
    Future Mods: 6.0 LQ4/9| Bags|

  5. #5


    i am going with the Borla system!!

  6. #6


    Thanks for the response, but I know all that. I was just wondering if there is a difference when buying the property.
    meilleur taux voiture simulation credit auto pret automobileUne simulation credit auto instannee et facile ici si vous avez une voituremeilleur taux voiture simulation credit auto pret automobile

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