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Anyone hear of Top Speed Pro 1 Performance?

Discussion in '348/355' started by johnk..., Feb 26, 2021.

  1. johnk...

    johnk... F1 Veteran
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    Jun 11, 2004
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  3. MAD828

    MAD828 Formula 3
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    Elliott Caras
    Wouldn’t put that on my car if you paid me, down to the single outlet tips on each side. Even the factory muffler has separate pathways for the outlets so the secondary and primary exhaust pathways have a distinct sound and flow variation.
     
  4. Joshman0531

    Joshman0531 Formula Junior
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    Judge for yourself. I think some one left their deer whistle in it, along with some loose change...run away, run away! The test car doesn't come back????
     
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  5. wilhit10

    wilhit10 Rookie

    Feb 18, 2004
    31
    FYI, the regular Tubi style only has a single outlet, and they sound better than stock. So that constant statement seems silly to me.

    Anyways, if you want that one I can give you one, but it almost burnt my car down. The muffler sticks too far back so it rests on the rear heat shield. This burns away the heat shield and will start to melt the bumper as well. I tried to move the heat shield back and there still wasn't enough room. FYI, I have a Nourvali SS for sale if you want something that fits.
     
  6. johnk...

    johnk... F1 Veteran
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    Tubi did the same on previous versions of theirs.

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    Also the OEM muffle has all exit ports venting the same chamber. It's where the bypass comes in that makes the difference.

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    So, I can't see that being the issue.


    But that video doesn't sound too good to my old ears. :( Nice find Joshua.
     
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  8. ShineKen

    ShineKen F1 Veteran
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    Life's too short for this John. Listen (pun intended) to the experts. Get a Tubi Evolution and rev it up to 9k. Thank me later ;)
     
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  9. ShineKen

    ShineKen F1 Veteran
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    I can't even describe what that sounds like.
     
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  10. ShineKen

    ShineKen F1 Veteran
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    On a side note, there are valid complaints about Topspeed headers not fitting without modification on a 360. They are aware of it, but they don't care. I don't think you'll run into fitment issues on this muffler, but don't expect much R&D or quality control going into a $650 muffler for the 355.
     
  11. johnk...

    johnk... F1 Veteran
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    Jun 11, 2004
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    I have a Tubi on my car, Ken. Came with it. Hurts my old, deaf ears. Tinnitus you know. Do you really think I want to shift at 6K? Probably should have bought a Berlinetta. Then I could drive around wit the windows up and not hear it so well.:D LOL.
     
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  13. ShineKen

    ShineKen F1 Veteran
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    You've got the wrong Tubi ;)
     
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  14. NeuroBeaker

    NeuroBeaker Moderator
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    That doesn't sound brilliant. o_O

    All the best,
    Andrew.
     
  15. Joshman0531

    Joshman0531 Formula Junior
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    I have FS headers and Tubi exhaust, and they sound great. I am looking to get the stage 2 Capristo for the sound change and increase in hp. No reflection of what I have, just something new.
     
  16. A348W

    A348W Formula 3

    Jun 28, 2017
    1,455
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    I didn’t think from a video you would hear actually how poor that is!!! The description of loose change and a whistle is spot on!!

    Done right, there is actually a lot of engineering in an exhaust to get the flow and noise as required.

    Ive got a capritsio stage 2 on mine; just the right level of noise for me. Motorway cruising is fine as it doesn’t dominate; but put it up the Rev range and it makes a lovely sound!!!
     
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  17. johnk...

    johnk... F1 Veteran
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    Maybe. But I have the right car. :D
     
  18. Joshman0531

    Joshman0531 Formula Junior
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    I have a Tubi right now but it's a few years old. I want the Capristo stage 2 as well. A video with good sound would be cool if you could get it done. I know it's a PITA. :D
     
  19. A348W

    A348W Formula 3

    Jun 28, 2017
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    Happily, but it’s off the road at the moment. Interior out for a re-trim. See what I can do when it’s back together, probably in a month!!
     
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  20. RossoCorsaItaly

    RossoCorsaItaly F1 Rookie
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    A board member named George used to work for them years ago, he was very enthusiastic and tried to pitch their products to me in person and brought samples but it was clear they’re just bulk ordering questionable designs from China with no QC and not looking for repeat customers
     
  21. bobzdar

    bobzdar F1 Veteran

    Sep 22, 2008
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    I have their challenge straight exhaust, sounds great but it's not for the feint of heart...
     
  22. michaelz

    michaelz Rookie

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    I can, like Ass.
     
  23. KevZep

    KevZep Formula Junior

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    Ahhhhhh......NO!! What on earth was that?? Good grief......
     
  24. blue90

    blue90 Formula Junior
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    At idle it sounds like rocks in a garbage disposal. When accelerating I hear a Pontiac Fiero peeling out at the tractor pull festival parking lot on the way to Paul Walkers house.

    Sent from my SM-A716U1 using Tapatalk
     
  25. treedee3d

    treedee3d F1 Rookie

    Apr 1, 2011
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    If it’s for budget reasons, Nouvalari is a great option. A few dollars more and you have a much better product and sound than this.

    Understandably not everyone wants to fork over the large amounts needed for a Capristo or a Tubi.
     
  26. tres55

    tres55 F1 Rookie
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    MS Racing exhaust also sounds fantastic IMO and is not too expensive.
     
  27. spicedriver

    spicedriver F1 Rookie

    Feb 1, 2011
    2,607
    I put one on a Porsche. Sounds great, and is very light compared to the OEM. It took some adjusting to get it to fit right. That seems to always be the case with aftermarket exhausts. The P unit was around $200.

     

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