1979 CB750K Exahust & Mufflers alternatives to Sankei 2043 (Sankei 2069?)

hmcy

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So after few years of searching the famous 1979 Sankei 2043, I've exahusted my search for the infamous Sankei 2043. This is the original 1979 4-4 and I believe were the only year that had the short reverse cone endings on the K and LTD, at least for the north american market. After that, I believe it changed to Sankei 2069, this one 4-4 has the straight endings.
Question, the Nighthawk CB750SC 1982 also came with the Sankei 2069, would this fit the 1979 K model? I'm in the understanding that the 1980, '81 K and C model as well had these. So, anyone has experience mounting the Sankei 2069 straight forward onto a 1979 K model?
Please also note that the brakets change too. The 2043 have a "Z" type bracket while the 2069 are an "L" shape bracket. I noticed too that on the frame of the Nighthawk '82, the mouting point seem to be more forward rather than backwards with that triangle lip of the K, C and F models.
I'm about to purchase at very high price one full set of the 2069's in very neat shape, but I don't want to fiddle around and try to make them fit if doesn't.

Links:
2069: https://www.cmsnl.com/honda-cb750sc-nighthawk-750-1982-c-usa_model1021/muffler-assy_18350me1670/
2043: https://www.cmsnl.com/honda-cb750k-1979-z-four-canada_model14694/partslist/F18.html


Thanks in advance for your help.
 

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