mine have std exhausts which exit on both sides,but with fishtails,the rear cylinder exhaust splits into two ,and joins the front cylinder on the right hand side
If the cmplete system has been changed then one on both sides as is would be correct. the slip on baffles dont look good try some Vance & Hines .
Sounds right too after.
thats either a standard exhaust from a different model or an aftermarket system.
It may well be that you could use the down pipes with different ends.
There are several systems now that use a two into one on the right of the bike only and have a dummy pipe on the left pannier "for looks only" !!!!
The bike will run fine with those pipes its just that exhaust from the front one will coat the pannier on the right, happens all the time when you put luggage on a harley with staggered duals.