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Building Custom Testarossa Exhaust

Discussion in 'Boxers/TR/M' started by deuce49, Jul 11, 2022.

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  1. carguy

    carguy F1 Rookie

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    #26 carguy, Jul 14, 2022
    I did some digging and found a pic of an awesome sounding exhaust system - from years ago. It is a merged system that splits into 2 mufflers and exits out at the center of the car. I also found a video - hope the link works...
    Video: https://redirect.viglink.com/?format=go&jsonp=vglnk_165780950738610&key=9b4686c19ac09d95d56bf86edf31ef8b&libId=l5l4tltd01000k3x000DLkifec09u&loc=https%3A%2F%2Fwww.ferrarichat.com%2Fforum%2Fthreads%2Fnew-tr-sports-exhaust-holy.294624%2F&v=1&out=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DSF2y-TxODSQ%26feature%3Drelated&ref=https%3A%2F%2Fwww.ferrarichat.com%2Fforum%2Fthreads%2Fnew-tr-sports-exhaust-holy.294624%2Fpage-3&title=NEW%20TR%20SPORTS%20EXHAUST%20(HOLY%20****!!)%20%7C%20FerrariChat&txt=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DSF2y-TxODSQ%26amp%3Bfeature%3Drelated
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  2. turbo-joe

    turbo-joe F1 Veteran

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    #27 turbo-joe, Jul 14, 2022
    link is working
    nice sound as I like it :) so if you go in the city with 1500 rpm the sound is discreet but when you go out on free street and go more than 5000 rpm it is like on a race track

    also: loud pipes save lives
     
  3. deuce49

    deuce49 Karting

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    #28 deuce49, Jul 14, 2022
    Wow that actually sounds really good and so close to the sound I am after! I do have to say and not be negative, but that system looks less than desirable for my taste :(

    My intent is to look absolutely factory with the tips etc, I do not want anything to take away from the stock authenticity of the cars look & appearance.
     
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  4. carguy

    carguy F1 Rookie

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    #29 carguy, Jul 14, 2022
    I agree with you Deuce49....I'm a purist when it comes body panels, etc. Even though that system exits out the center, you can see that the transition radius before it travels towards the center of the car....is right at the stock outlet area. So with less material involved, that system could exit out at the factory locations.

    IT SURE SOUNDS GOOD....
     
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  5. raysur

    raysur Formula Junior
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    #30 raysur, Jul 14, 2022
    Beautiful work!

    Are you planning to have this system hide behind the bumper? The stock muffler totally blocks the view of the motor. It is a missed opportunity to show off the engine.
     
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  6. deuce49

    deuce49 Karting

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    #31 deuce49, Jul 14, 2022
    Yes, definitely behind the bumper however want the x-pipe visible through the rear mesh to add a little exhaust sexiness factor. It's going to absolutely gorgeous so I want to show it off a little if possible ;)
     
  7. deuce49

    deuce49 Karting

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    #32 deuce49, Jul 14, 2022
    So for clarity, after going back and forth with my insanely talented local fabricator. We wanted to create a 2-sound system. Meaning have the ability to run straight pipes or race mufflers and effectively achieve (2) different sounds with a very "easy to change" modular system.

    We decided to use top-tier quality full stainless race mufflers with v-bands and flanges to match the same straight pipes with flanges.

    After test fitting a hundred different ways, we decided the best possible scenario is to actually place the modular straight pipe/muffler sections in the stock respective "secondary cat" locations. This would allow us to easily crawl under the bumper undo the v-bands and exchange the sections with ease at anytime and still be hidden by the bumper. Honestly I love this as I can change the tone at anytime so easily :)
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  8. deuce49

    deuce49 Karting

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    #33 deuce49, Jul 14, 2022
  9. deuce49

    deuce49 Karting

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    #34 deuce49, Jul 14, 2022
    After building tons or cars and race cars over the years, I always love some flex in the exhaust system, especially on Ferrari's like the 355 as example as so much weight is put on the headers themselves supporting the whole system. I like to remove some of that stress especially on expansion and contraction.

    My fabricator tested a few options and came up with adding individual bellows which worked out awesome, this is going to help so much with the system and save my factory headers over time from stress.
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  10. Basal Skull

    Basal Skull Formula Junior

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    #35 Basal Skull, Jul 14, 2022
    Pretty nice welding, I find it really hard to make those welds in the sharp valleys.


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  11. turbo-joe

    turbo-joe F1 Veteran

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    #36 turbo-joe, Jul 15, 2022
    how thick is the material from the pipes?
     
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  12. deuce49

    deuce49 Karting

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    #37 deuce49, Jul 15, 2022
    Agreed, Kyle is definitely a magician. I was just at the shop last night and snapped some great photos of the latest updates, I'm getting so excited lol
     
  13. deuce49

    deuce49 Karting

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    #38 deuce49, Jul 15, 2022
    .065" or 16 gauge
     
  14. EZORED

    EZORED Formula 3
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    #39 EZORED, Jul 15, 2022
    Might want to fully document. There might be a market for copy’s!


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  15. deuce49

    deuce49 Karting

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    #40 deuce49, Jul 15, 2022
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  16. deuce49

    deuce49 Karting

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    #41 deuce49, Jul 15, 2022
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  17. deuce49

    deuce49 Karting

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    #42 deuce49, Jul 15, 2022
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  18. turbo-joe

    turbo-joe F1 Veteran

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    #43 turbo-joe, Jul 15, 2022
    this is only 1,6 mm - I think you will get a terrible tinny raspy sound. please post a sound video when finished.
    but really great work ! ! ! :)
     
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  19. deuce49

    deuce49 Karting

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    #44 deuce49, Jul 15, 2022
    We will see, it's what I use on all my race cars and street cars over the years.
     
  20. turbo-joe

    turbo-joe F1 Veteran

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    #45 turbo-joe, Jul 15, 2022
    I think with some elbows and also some welding the sound could be not so bad. I will let me surprise ;)
     
  21. Elberoth

    Elberoth Karting

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    #46 Elberoth, Jul 16, 2022
    Wow, love this thread!

    Please keep us posted. Are you gonna remove the O2 sensors and the associated electronics? I read somwhere that leaving the O2 "computers" in the loom without the O2 sensors can make the TR run poorly.
     
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  22. Veedub00

    Veedub00 F1 Veteran
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    #47 Veedub00, Jul 16, 2022
    Yeah, those Oxygen sensors are an integral part to the EHAs adjusting fuel trim for the KE-jetronic to work properly.
     
  23. deuce49

    deuce49 Karting

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    #48 deuce49, Jul 16, 2022
    Yes, you always have to run O2's or lambda sensors depending on ecu's
     
  24. deuce49

    deuce49 Karting

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    #49 deuce49, Jul 16, 2022
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  25. deuce49

    deuce49 Karting

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    #50 deuce49, Jul 16, 2022
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