SOHC.co.uk Forums > CB350/400

D S Exhaust system

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ogri211:
I have started putting my 400 four back together, when I got it it had a Motad system and I want the look of the original with the 4 sweeping pipes, I was going to buy the complete system from David Silver which works out about £625, has anyone fitted one of these and how do they look compared to a NOS system , how good is the chrome and are there any noticeable differences.

Laverda Dave:
I fitted a DS exhaust system to my 400/4 last year. It was a bit of a pig to fit and line up the collector with the silencer because it was so close to the sump. It went on in the end. I haven't had the bike on the road yet so can't say how it performs however, I think Paul on here had some back pressure issues with the silencer, there's a thread on here somewhere about it.
I don't think the headers are double skinned either and yellow with exhaust heat as a result.
They look the part though  :)

paul G:
I bought the Motad down pipes with the intention of also buying the silencer from them when it was available. I missed the initial release and then unfortunately they went tits up so I had to buy the DS one. Would I buy another one NO, I still have a slight jetting issue and it has been a pain in the arse.
I believe they are supposed to be the same but in my experience far from it.
I have the original system which is immaculate tucked away in a nice dry warm box  :D :D

AshimotoK0:
The DS one and the Yamiya ones are not double skinned. I checked out one for Saisei that came from Yamiya in Japan.  It looked pretty well made and chromed but would probably discolour pretty quickly, I think, once it got hot in use. It fitted with a bit of jiggling and messing about but no way as good as the original. Following my checking of it Yamiya put 'Single skinned' on their website description. Why the hell someone can't make a double skinned one over 40 years after the original came out amazes me. They seem to manage it with the repro CB750, 500 and 350 fours.

AshimotoK0:

--- Quote from: AshimotoK0 on February 18, 2018, 07:59:18 PM ---The DS one and the Yamiya ones are not double skinned. I checked out one for Saisei that came from Yamiya in Japan.  It looked pretty well made and chromed but would probably discolour pretty quickly, I think, once it got hot in use. It fitted with a bit of jiggling and messing about but no way as good as the original. Following my checking of it Yamiya put 'Single skinned' on their website description. Why the hell someone can't make a double skinned one over 40 years after the original came out amazes me. They seem to manage it with the repro CB750, 500 and 350 fours.

--- End quote ---

See here but Photobucket fooked it up a bit..
http://www.sohc.co.uk/index.php/topic,8689.15.htm

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