Chrome Exhaust Flange - Set of 4 - 18231-333-010 - Honda CB/CL/SL100 CA/CB/CL175 CB350F/400F/550F/550K

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Set of 4 reproduction Honda chrome exhaust flanges. Rusty joints? Most CB's out on the road have rust on the exhaust flanges, if you're changing your headers or your whole exhaust, why put back on those rusty flanges? Pick up some new ones to match that shiny new chrome!

Below we've listed the models that this flange came on. These flanges can be used on other years, but our fitment list reflects the models where this flange came stock. We also have the collars that fit under the flange, there are two for each flange.

Equivalent to Honda part number: 18231-333-010
Similar to Honda part number: 18231-323-000
Emgo part number: 80-62380


Distance between mounting holes: 54.5mm (2.15") Measured from the center of the holes.
Inner diameter: 38mm (1.5")
Inner diameter where the collars sit: 44mm (1.73")

Fits Honda:

CB100 - 1970-1971
CL100 Scrambler - 1970-1971
CL100S Scrambler - 1971
SL100 - 1970-1971
SL125 - 1971
CA175 Touring - 1969-1970
CB175 - 1969
CL175 Scrambler - 1969-1970
CB350F - 1972-1974
CB400F Super Sport - 1975-1976 (Can be used on a 1977 but the stock style didn't have fins)
CB550F Super Sport - 1976-1977 (Can be used on '75)
CB550K - 1976-1978 (Can be used on '74-'75)

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  • 5
    Great Replacement Part!

    Posted by Mike V. on 3rd Apr 2019

    Restoring a '74 CB350F that was very cosmetically challenged. Most of the chromed or polished parts were in rough shape. I found this to be a great value compared to other sources selling a similar part and they match the OEM units very closely.