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Discussion Starter · #1 ·
Will CB450 headers fit on a CB500T engine and frame? I read that somewhere that they should bolt right on.. is this true?

headers.jpg
 

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Except those don't look like they're CB450 headers.
 

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No they do not, I'd imagine they are probably aftermarket headers with 450 specs
 

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Better check if those headers are really for the early 70's CB450 DOHC bikes. The later SOHC CB450's are completely different beasts and won't work for this.
 

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Discussion Starter · #6 ·
They look aftermarket to me, I will avoid. If I need to grab some used ones what year CB450 headers fit the CB500T with minimal mods?
 

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DOHC 450's are made from 1965 to 1974
1975-1976 are the CB500T

Any of those will work.
 

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I've not seen aftermarket pipes for a 450 that are reduced in between the ends like those are... they look similar to the drag pipes I'm using, but the reduction near the head makes them look smaller diameter than mine despite seeming to be the same at the head. That looks to be quite a step down, though probably close to, or equal to, the inner pipe on Honda's double-wall stock headers
 
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