SOHC.co.uk Forums > CB750

K2 4 into 2 exhaust (DIY)

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El__burro:
i am going crazy with the idea of "transforming" the 4-1 in the pics below to a 4-2.
I am trying to see whether or not anyone has attempted this and with what result?
Eventually i would need a 2 into 1 and a couple of muffler too.

I would consider part exchange

Regards
el__burro

Johnwebley:
I would suggest a 4-2 system should be cylinders 1-4 and 2-3 on paired pipes,

 

 

El__burro:
so its almost impossible as 1&4 wouldn't end up on the same side as they are short.
What about 1-2 and 3-4.

matthewmosse:
I have a set of cb550 4 into 2 pipes, not yet got around to fitting them, I could possibly dig them out to photograph to give you an idea how it has been done though it will not get fitted for a while and the 550 isnt reallly the same in any case..... I think its made to do 1&2, 3&4 as pairs.

El__burro:
That may be helpful.
 Thanks
El__burro

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