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1978 Honda CB750K Exhaust Mufflers, Gaskets & Hardware

The exhaust products listed for the 1978 Honda CB750K include a 405-style stock-type muffler set, headpipe gaskets, an exhaust stud set, flange clamps and joint collars. Compare these pieces with the system on your motorcycle. Aftermarket exhaust connections need their own compatibility check before ordering stock-type parts.

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Honda CB1100 CB1000 CB900 exhaust headpipe gasket (each) 18291-254-000

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000

$3.42 USD
17-2812
Replace one exhaust port gasket on your CB750 or big-bore DOHC CB with this Exhaust Port Gasket, 1 piece, replacing OEM #18291-254-000 / #18291-MM5-860....
Honda CB kick stand stopper rubber 95011-61000

Honda CB Kick Stand Stopper Rubber ~ Replaces 95011-61000

$2.95 USD
07-4624
Replace a worn kick stand stopper with this Kick Stand Stopper Rubber "A", a direct replacement for OEM #95011-61000. Exceptionally broad fitment across the...
Honda CB1100 CB1000 CB900 exhaust headpipe gasket (each) 18291-MM5-860

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-MM5-860

$6.84 USD
18-7013
Replace one cylinder-head-to-exhaust-headpipe gasket on your big-bore Honda with this Cylinder Head to Exhaust Headpipe Gasket, 1 piece, replacing OEM #18291-MM5-860. Exceptionally broad fitment...
Honda CB750F CB750K exhaust stud and flange nut set

1975-78 Honda CB750F / CB750K Exhaust Stud & Flange Nut Set

$34.95 USD
73-1141
Ensure a solid, leak-free seal at your exhaust ports with this Exhaust Stud Set. Includes 8 high-quality studs and 8 flange nuts — everything...
Honda CB750 exhaust flange clamp side detail 18231-392-000

1975-78 Honda CB750 Exhaust Flange Clamp ~ Replaces 18231-392-000

$34.95 USD
07-4622
Rebuild your late-'70s CB750 exhaust with this Stock-Type Exhaust Flange Clamp, replacing OEM #18231-392-000. An essential piece of exhaust mounting hardware for CB750K (1977-78),...
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Honda CB750A CB750F CB750K Honda exhaust pipe joint collar 18233-392-000

1975-78 Honda CB750A / CB750F / CB750K Genuine Honda Exhaust Pipe Joint Collar ~ OEM 18233-392-000

$29.95 USD
99-5173
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Exhaust Pipe Joint Collar — precision‑engineered and made in Japan. This original Honda...
New
Honda CB750K stock type muffler set

1977-78 Honda CB750K Stock Type Muffler Set

$1,995.00 USD
80-41006
Stock Type Muffler Set These brand new mufflers are the 405 Style muffler set. Beautiful high quality, newly produced stock type muffler set. High...
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1978 Honda CB750K · Exhaust Buying guide

Match the mufflers and small parts to the fitted system

The muffler listing names the 405-style set for 1977–78 CB750K models. Gaskets, clamps, studs and a joint collar are separate products here. Identify what the repair requires before choosing an assembly or individual hardware.

Parts to consider

1977-78 Honda CB750K Stock Type Muffler Set 405-style stock-type muffler setStock-type chrome muffler set listed for the 1977–78 CB750K. Confirm the supplied pieces and compare the set with your existing exhaust.View part Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000 Individual headpipe gasketSingle exhaust port gasket referencing 18291-254-000 and 18291-MM5-860. Sold individually; order the quantity required.View part 1975-78 Honda CB750F / CB750K Exhaust Stud & Flange Nut Set Exhaust stud and flange nut setThe listing supplies eight exhaust studs and eight flange nuts. This is hardware, rather than a gasket or muffler assembly.View part

Related parts: Stock-type exhaust flange clamp · Honda exhaust pipe joint collar

Check the actual mufflers before a stock-type purchase

The 405-style muffler product names the 1977–78 CB750K application. It does not establish compatibility with an aftermarket system on the same motorcycle. Compare the assembly photograph, fitted exhaust and connecting pieces, and ask about any uncertain mounting arrangement before committing to the set.

Identify mounting and sealing pieces individually

The exhaust stud set, flange clamp and joint collar are different hardware listings. The gasket is another separate product sold individually. Check the part being replaced against its photograph and description so a similarly named clamp or collar is not mistaken for the sealing gasket or a complete mounting package.

Common questions

Which stock-type muffler style is listed for this model?

The verified muffler listing describes a 405-style stock-type set for the 1977–78 CB750K. Compare it with your installed system and the intended replacement. The listing is not a claim that every aftermarket exhaust on this motorcycle uses those connections.

Does the muffler listing specify all supplied mounting hardware?

Its description identifies the muffler set but does not enumerate gaskets, studs, clamps or collars. Confirm the package contents before ordering additional pieces. Those hardware products have separate listings in this category and should be assessed individually.

Is an exhaust stud set a complete exhaust sealing kit?

The set is described as eight studs and eight flange nuts. It does not list headpipe gaskets, clamps or joint collars as contents. Choose the gasket and other pieces separately according to the repair needed on the installed system.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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