crazy pipes..did you make them?
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That's a "Triple A" exhaust straight out of the 70's. They still pop up occasionally on ebay or craigslist.
When I was looking for an exhaust to put on my bobber, a buddy of mine, said I should use the exhaust from the cb750 we stripped down back in the early 90's. I had completely forgotten about it. It was made for a stock frame, so it stuck out 8" from the axle plate on the right side. I either had to modify it to fit, or learn to ride it making left turns only.
I cut the exhaust behind the collector, then picked up some stainless exhaust pipe from the local muffler shop. I dug it out of their scrap pile, so the price was right. (free) I welded in a couple of bends and lengthened it to allow it to hug tight to the frame tight and flow with the Cycle One hard tail.
The darn thing is kinda like a jigsaw puzzle to mount on to the spigots though. The pipes are made to go on in a certain order.