348 Tubi/test pipes versus Tubi/Hyper-Flow combination | FerrariChat

348 Tubi/test pipes versus Tubi/Hyper-Flow combination

Discussion in '348/355' started by 348SStb, Oct 16, 2006.

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  1. 348SStb

    348SStb F1 Rookie
    Owner

    Hey guys,

    I have a Tubi exhaust and test pipes (no catalytic converters) on my car; and while the sound is the most fantastic, offensively loud F1 sound I and anyone else I know have ever heard, I want to change it because I have come to realize that it is a bit too loud. It is so loud that I am afraid to take the car out! Even if I'm going 10 m.p.h., it sounds like I am going 100. Driving my car the way it is now just announces to the police that I'm around. I am going to change it.

    Anyway, what I need to do is buy replacement catalytic converters because I would never put the factory ones back on there. Of course, my first instinct is to buy the Hyper-Flows. (I already have Hyper-Flows and the stock muffler on my Mondial t. This combination is surprisingly quiet.).

    What I would like to know is this: how loud is the Hyper-Flow/Tubi combination? I'm thinking that, while loud, it cannot be nearly as loud as the test pipes/Tubi combination. Your thoughts? Does anyone have a sound or video clip of the Hyper-Flow/tubi combination?

    What do you guys think? Will it still be too loud?

    On another note, is there a catalytic converter on the market that restricts air flow a little more than Hyper-Flow? I definitely want to keep the Tubi sound, but I don't want to put Hyper-Flows on the car if the resulting product will be too loud.

    PS Dino, you can't have your test pipes back!! :)
     
  2. goyal99

    goyal99 Karting

    Mar 5, 2002
    185
    Upstate NY - USA
    Full Name:
    V K
    Not quite as loud as the test pipes/Challenge exhaust I had installed on my car last year....Got stopped a few times (no tickets).

    I changed it to test pipes/Spider muffler and feels like I'm in.....church now!

    VK
     
  3. spider348

    spider348 Formula 3

    Nov 3, 2003
    1,273
    MA
    Full Name:
    John
    Hello, I have Tubi/ Hyper Flow Cats and the sound is moderate, IMHO. I, as you, had Tubi/ Tubi Test Pipes and though the sound was amazing, I found it to be too much on an extended trip or early AM drive. My 348 spider has been complimented as the “best” sounding 348 with this combo, for what that’s worth! If you are ever in the Boston area, you are welcome to view. I think you would be very pleased.
     

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