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Author Topic: Exhaust Idenification HM445  (Read 556 times)

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Offline Handlebar

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Exhaust Idenification HM445
« on: September 19, 2016, 10:33:37 AM »
Started tearing into a 1976 cb 750f. This bike had a 4into2 exhaust on it with HM445 stamped on the left side muffler. Is it a factory exhaust or aftermarket? I was under the impression that all SS bikes were 4into1. And it sure looks factory to me.


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Offline Handlebar

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Re: Exhaust Idenification HM445
« Reply #1 on: September 19, 2016, 10:41:16 AM »
Well after a little research i have idenified these as a 1981 750f exhaust system.
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Offline Johnie

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Re: Exhaust Idenification HM445
« Reply #2 on: September 19, 2016, 11:26:47 AM »
My info says 1979 - 1981 CB750F
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1970 CB750K0 - Candy Ruby Red
1973 CB750K3 - Candy Bacchus Olive or Sunflake Orange
1970 Chevy Chevelle SS396 - Cortez Silver
1976 GL1000 Sulphur Yellow

Oshkosh, WI  USA

Offline Handlebar

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Re: Exhaust Idenification HM445
« Reply #3 on: September 19, 2016, 04:06:33 PM »
So someone through a 81 4into2 exhaust on my 76 SS. I think i will go back to a 4into1 set-up.


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