SOHC.co.uk Forums > CB500/550

DS full aftermarket exhuast system for the 500

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Oddjob:
I don't think Busso make the original looking pipes, I think they just source them from the manufacturers who make them for CMS, I'd say they just do the reverse cone silencers themselves.

Nurse Julie:

--- Quote from: Oddjob on January 08, 2023, 04:29:22 PM ---I don't think Busso make the original looking pipes, I think they just source them from the manufacturers who make them for CMS, I'd say they just do the reverse cone silencers themselves.

--- End quote ---
Busso do manufacture the original style 4 into 4 pipes. People that I know have taken delivery of them recently and they're very impressed with the quality. They are double skinned also. I'll post a link in a while.
https://www.bussostore.com/en/collections/honda/products/marmitte-honda-replica-originali-cb500k0k1k2-four

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Oddjob:
I don't see a single claim by Busso that says they make them. They do however sell at lot of replica bits clearly sourced from other websites, the exhaust clamps are from DS, as I suspect are the hanger brackets and the exhaust gaskets show Honda part numbers.

I'm left wondering why IF they make the original exhausts they bothered to make reverse cone copies. My opinion is they made these before copies became available again some years ago and kept selling them as they already had the tooling in place. The other things which makes me suspect they don't make them is why not just make the silencer part as they do for the reverse cone ones, they list downpipes for the 500 but it clearly states when you click on them that they are for the 350-4

deltarider:
4-4 silencers have been available from Italian companies like Busso, Mecadapo and MIVV since long, Oddjob. Designed by them, they were not that expensive as you used the original headers. Relatively seen, it's not been that long that people became interested in buying the real stuff: the repro's that are identical to the originals. Customers are often older now, have more money and care less about the cost.
I've profited enormously when I bought four new OEM exhausts begin 90s. One dealer offered me two new exhausts for then € 40,- each. Was he making a loss? No, he was just annoyed with still having them in the basement of his store. Here's why. Back in the 70s quite some customers ordered a new CB500 Four on condition the dealer would replace the 4-4 by a 4-1, mind you before the bike even had left the showroom! So quite some dealers had OEM exhausts left over which had never been in use. A third one I got for € 60,-, again new. Also from a dealer who had got tired of storing it for a customer that would never come. The fourth I ordered new but with a 20% discount. After I had fitted these four new ones, the janitor was happy to buy my old set which had served some 75.000 km. I let him have them for € 50,- in total. All this illustrates how perception and appreciation can vary over the years...

McCabe-Thiele (Ted):
Just posting here again as in the new year I need to decide on an exhaust system. ATM the options are as follows.

1) Replica original - I have no brackets so this is going to be circa £1350 ish from DS with aftermarket brackets.

2) Marvin system £435 plus brackets?

3) SS Delkevic £350.

Does the Marvin system work on standard jets etc?

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