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1981 Honda CB900C Custom Slip-On Mufflers

Compare your 1981 CB900C Custom’s retained exhaust pipes with the intended slip-on arrangement before ordering mufflers. The M.A.C. pair has chrome flare tips and all-steel baffles. Changed headers or mounting supports need a direct compatibility check rather than an assumption based on the motorcycle model.

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Honda CB1100 CB1000 CB900 CB750 Honda exhaust pipe joint collar 18233-425-000

Honda CB1100 / CB1000 / CB900 / CB750 Genuine Honda Exhaust Pipe Joint Collar ~ OEM 18233-425-000

$24.95 USD
99-5455
1979 Honda CB750K Motorcycle Parts 1979 Honda CB750L Motorcycle Parts 1980 Honda CB750C Motorcycle Parts 1980 Honda CB750K Motorcycle Parts 1980 Honda CB900C Motorcycle Parts 1981 Honda CB750C Motorcycle Parts 1981 Honda CB750K Motorcycle Parts 1981 Honda CB900C Motorcycle Parts 1981 Honda CB900F Motorcycle Parts 1982 Honda CB750C Motorcycle Parts 1982 Honda CB750K Motorcycle Parts 1982 Honda CB750SC Motorcycle Parts 1982 Honda CB900C Motorcycle Parts 1982 Honda CB900F Motorcycle Parts 1983 Honda CB1000C Motorcycle Parts 1983 Honda CB1100F Motorcycle Parts 1983 Honda CB750SC Motorcycle Parts Honda CB Exhaust Systems, Mufflers & Hardware Honda CB Mufflers, Baffles & Exhaust Packing Honda CB1000 Motorcycle Parts by Model & Year Honda CB750 DOHC Parts (1979–1982) Honda CB750 Motorcycle Parts by Model & Year Honda CB750C Custom Motorcycle Parts (1980–1982) Honda CB750K Motorcycle Parts (1969–1982) Honda CB750SC Nighthawk Motorcycle Parts (1982–1986) Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Honda CB900F Supersport Motorcycle Parts (1981–1982) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83)
Upgrade or restore your classic Honda motorcycle with this Exhaust Pipe Joint Collar — precision‑engineered and made in Japan. This genuine OEM part #18233‑425‑000...
Honda CB900C m.a.c. chrome slip-on flare tip muffler set

1980-82 Honda CB900C M.A.C. Chrome Slip-On Flare Tip Muffler Set

$499.95 USD
07-001/3111
1980 Honda CB900C Motorcycle Parts 1981 Honda CB900C Motorcycle Parts 1982 Honda CB900C Motorcycle Parts Honda CB Exhaust Systems, Mufflers & Hardware Honda CB Mufflers, Baffles & Exhaust Packing Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Series 4: CB900-1100 (80-83)
Drop in a pair of Chrome Slip-On Flare Tip Mufflers from M.A.C. for your Honda CB900C Custom. A direct-fit replacement for factory-style mufflers with...
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1981 Honda CB900C Custom · Custom Slip-On Mufflers Buying guide

Inspect the existing exhaust before selecting the pair

The chrome mufflers are offered for the factory-style Custom layout. Confirm the retained connections and supports, then assess whether any separate sealing or mounting parts are needed for the actual installation.

Parts to consider

1980-82 Honda CB900C M.A.C. Chrome Slip-On Flare Tip Muffler Set M.A.C. chrome slip-on mufflersPair of flare-tip mufflers with all-steel baffles, listed for the CB900C Custom’s factory-style exhaust arrangement.View part

Match the physical installation first

The product is a pair of slip-on mufflers, so the pipes and supports staying on the bike matter to fit. Inspect them before ordering. Evidence for the CB900C application should not be broadened into a promise that the pair fits every custom exhaust system.

Confirm the slip-on connections and baffle scope

The M.A.C. 001-3111 pair is a slip-on replacement for the original-style CB900C exhaust arrangement. Confirm the retained headpipes, balance box, connecting joints and mounting supports before ordering. Its all-steel baffle description does not establish a separate serviceable packing kit or compatibility with an unrelated full-system header.

Buying questions

Will these slip-ons replace a complete aftermarket 4-into-1 system?

They are a paired slip-on set intended for the original-style CB900C arrangement. An aftermarket collector or header can have different outlets and supports. Identify the retained system and confirm those connections before treating the pair as a complete-system replacement.

Does the no-rejetting description cover a modified intake and exhaust?

That description applies to the intended stock-style installation. It does not establish a fuel-setting plan for changed air filters, headers or other engine modifications. Assess the complete installed combination instead of choosing jets from the muffler finish or a general fitment label.

Should tuning requirements be assumed from the muffler alone?

No. Consider the complete installed intake, exhaust and engine configuration. The muffler’s construction does not by itself determine whether the motorcycle needs carburetor adjustment.

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