1974 CB750K4
I shot an email to Benjie asking for clarification on which exhaust flanges to use for the pipes he made for me, but while waiting for his reply, I just wanted to see if anyone else that has his pipes might be able to help me. What flanges (part numbers) did you use for your BCR pipes? In one of his earlier communications with me, he said to use a '75 - '78 CB750 flange, but from what I've seen on the schematics, they're different for a couple of those years. Maybe I'm just looking at it wrong.
Here's what I'm working with:
![](http://i5.photobucket.com/albums/y187/GutHook/CB750/CB750K4%20During%20Restoration/BCRExhaust.jpg)