Building a custom exhaust

I just found out what the problem is with the exhaust on my XJ600. On the 51J that I ride, the exhaust gathers from four into two into the two dampers. There are two connections between the two pipes right before and right after the stand. All primary pipes seem to be the same length. The pipes from the inside cylinders are connected up with a 90 degree turn into the pipe of the outside cylinder. Those bends are completely gone. I have seen cheeses with fewer holes.

Anyway, this whole thing has made me think. I can try to rebuild those turns and the two H connections that connect the two sides of the exhaust, or I can go all out and try to build an exhaust that fits to a single damper.

Any thoughts on how to build a new exhaust with similar characteristics to the original one?

 

How about going 4 into 4 ? simple to do & looks awesome.

 

4 into 1 is nice, but I doubt it looks as good on my bike as it does on the one in your picture. I have an XJ600 51J, so that is not a maxim or a seca II. The other thing about a 4 into 1 is that you need 4 dampers at the end. And a single used larger diameter damper is easier to find than four similar ones. Besides, the original engine connects the pipes for the exhaust from two into one and then has two H pipes between the main exhaust pipes for better torque. And I would not like to loose that.

 

i like the symmetry of four into 2 you need to be handy with a bender and i suggest stainless if you are going to all the trouble. you can also accomplish it with premade bends from an auto parts store but it will be alot of welding

 

hope picture attached this time