very odd.. one got much hotter than other.. maybe they used a different quality or thickness metal for one.. if right was thicker it would happen just as is.. or maybe theirs some kind of flow problem with the piping.. not sure.. thats odd tho.

both look cool

 

The thickness of metal is the same so it means it blows more to the left - but everything seems to be fine in terms of power so I think it's just the way the exhaust is made. It looks funny though...