hi guys, I,m getting nearer to the end of my long term xbr 660 project next thing is getting some pipes made up , what I would like is two of those moto gp cans you can find online easy enough ,and I have seen a few on bikes and they don't look to bad so my question is .Am I better running two separate pipes eg one either side the bike or am I better off with a 2 into 1 into 2 ,,or just a 2 into 1 any help on this would be great ta tommy