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GTM 2>1 left side exhaust

Discussion in 'Loop & Tonti' started by GT-Rx®, Jan 23, 2018.

  1. GT-Rx®

    GT-Rx® Administrator Staff Member GT di Razza Pura

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    For those who have been en/inquiring... Our 2>1 big block round or square head Tonti left side underbody or left side exit exhaust system for sidecar owners. Below is our prototype and dyno charts for this design. Stock 2-2 vs GT 2>1.

    6E4CB7D7-CEB7-45E7-858D-B6079E04AF7F.jpeg BFC2524F-0B1B-45B7-9093-26490F874ABC.jpeg 83DAA1FF-A9AD-4344-8A43-48B155DD3048.jpeg
    A8645263-2485-4F6C-B05C-9305684BFC67.jpeg
     
    Conanidol and groundhog105 like this.
  2. groundhog105

    groundhog105 Cruisin' Guzzisti GT Contributor

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    Wow. That is a great result Todd. Wish you had developed this before I bought the Zard system.
     
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  3. GT-Rx®

    GT-Rx® Administrator Staff Member GT di Razza Pura

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    Irony in that I hadn't planned on building one, but had it on my V7-11 at the SD Rally. Once I posted it on social media, everyone started asking, so I built three. I have one left.
     
  4. Aldo

    Aldo Just got it firing!

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    Been looking for a 2-1 system for my round-head hot rod. Would like to keep my center stand though. How much does something like this run?
     
  5. GT-Rx®

    GT-Rx® Administrator Staff Member GT di Razza Pura

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    I can do custom work, but priced accordingly. US Steel costs have just went up as well. Contact me direct email for pricing, but see the online Store for a general idea on 2>1 pricing as a general idea.
     
  6. Desmo007

    Desmo007 Tuned and Synch'ed GT Contributor

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    Um... not sure if this is supposed to go on the bike, or framed on my study wall... BRILLIANT.

    42AF7453-4780-4C87-9C2D-7137CBEA1ABE.jpeg
     
    Stevie and D'sLemansV like this.
  7. Garthy

    Garthy Just got it firing!

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    I have this system on my T4. It's great. Easy fit good sound, super lightweight and power seems good, what more to ask for ?
     
  8. Sculpt-dude

    Sculpt-dude Just got it firing!

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    That is one of the most drool-inducing dyno runs I've seen. Conventional wisdom, certainly at least for twins, is that a radically shorter 2-1 system would probably give top end gains, but suffer in the mid-low rpm range, no? But, damn, from 3K right on up it's all gravy right there. I'm amazed the stock system has such a deep mid-range trough.
     

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