SOHC.co.uk Forums > CB500/550
4 into 2 system?
triplE675:
My 2nd 500 K0 had a 4 into 2 system on it both silencers have rotted out but the down pipes are good Will post some pictures tomorrow if they could be of use.?
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Orcade-Ian:
Thanks for that possibility,
I might be on to an original silencer but would be happy to see these headers as I am still fancying the 4 into 2 set up sometime, so all options are there then.
Ian
deltarider:
How about the backpulses to help the breathing of the engine? I always heard 4-2 is the lesser of the three options: 4-1, 4-4 and 4-2, performance wise. Is there any substantiation for this?
triplE675:
Photo's of 4-2 system downpipe appear to be removable
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Orcade-Ian:
That's a good point Deltarider which I think from memory has been tried and tested with believable results - might have been an I Mech E paper some years back. However, I don't think I will be entering any TTs or one of those 'how far can you go on a gallon of fuel' competitions. Wonder if they still do those?
I'll study those pics on a proper screen later and get back to you. Thanks for those,
Ian
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