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Muffler for 2 to 1

Discussion in 'The Garage' started by RLG, Apr 30, 2021.

  1. RLG

    RLG XS400 New Member

    I'm trying to find a muffler to use for a 2 to 1 exhaust with stock headers and can’t seem to find answer as to what size I need. Thanks in advance
  2. spectra

    spectra XS400 Junkie Top Contributor

    Well I went with one from Cone Engineering on a build I did a few years ago............. its all going to depend on the size of material you used on the pipes............

    I bought a MAC unit and just used the headers and bought the cone from them............ the one that came in the MAC kit was a pos................
  3. RLG

    RLG XS400 New Member

    Well currently, from the po, it's stock headers (1.25in I think?) Into a 3in straight pipe, so I'm thinking maybe stock headers into a 1.75-2in muffler?
  4. spectra

    spectra XS400 Junkie Top Contributor

    yeah these bikes need nowhere near a 3" pipe.......... I think the MAC systems only go to 2 1/2" or so.

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