Check the listing for details. Chrome Exhaust Flange - 18231-333-010 - Honda CB100 CL175 CB350F CB400F CB550. Color: Silver, Condition: New. Listed at 17.95 USD. Chrome Exhaust Flange - 18231-333-010 - Honda CB100 CL175 CB350F CB400F CB550 Reproduction Honda chrome exhaust flange. 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. 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") Sold Individually. Equivalent to Honda part number: 18231-333-010 Similar to Honda part number: 18231-323-000 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) 4into1motorcycleparts • Store Policies