999 What Termi System Is On My 999s?

Discussion in '749 / 999' started by myoconstruct, Sep 23, 2025 at 4:34 AM.

  1. Hello, i have a 03 999s with what I thought was factory exhaust system. After looking through the service manual, I see a different exhaust system in the diagrams. The system on my bike has a 2 into 1 Y pipe. The service manual shows each cylinder has its own exhaust pipe going to the muffler. Anyone have the same system as me. Any info will help. Im trying to fit a pair of mivv cans to replace the Termi silencer. I looks like i need to order a different set of headers.
    Thanks.

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  2. Looks like it could be either a 54mm or 57mm full system.
     
  3. This is a 749 I owned a while back with MIVV cans.
    I think I have a spare, used 999 system lying around somewhere, without cans.

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  4. Do you have any different pics showing how the mivv cans are mounted and how the exhaust pipes enter the cans.
     
  5. Think this is only other pic I have.

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