Reproduction Muffler - Honda CB400F Super Sport

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Honda CB400F Super Sport chrome reproduction muffler. Designed to fit your stock headers and bolt right on just like the stock muffler. It's great for a restoration or if you just want your 400 purring again like it just rolled off the showroom floor.


26" Long
4" O.D at the end
2" O.D inlet
1.9" (48mm) I.D inlet
2.75" (70mm) spacing between the threaded mounts (measured center to center)

Replaces Honda Part Number: 18310-377-017, 18310-377-003

Note: The Genuine Honda muffler gasket is a very tight fit inside this muffler. Some minor modification may be required or a slightly smaller gasket for proper fitment. Does not come with the rubber center stand stopper.

Note: May have some minor surface imperfections, mostly around the welded bracket on the back. The discoloration is not visible after the muffler is installed (see photo).

Fits Honda:

CB400F Super Sport - 1975-1977

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  • 4

    Posted by Andy h gage on 19th Jun 2021

    Looks good but has dent on top near the rear

  • 5
    Perfect fit and sound.

    Posted by Unknown on 5th Sep 2019

    This fit perfect on my 1975 CB400F SS. It looks the part too. However the tail end of the pipe is not as tapered (cone) as the original. That’s the only difference. Other than that it looks great, sounds great.