I spent part of Canada Day swapping the stock axle backs for a set of Borla stingers. They make the car sound more like it should have from the factory.
Love the rumble under load but they are quiet at idle so I am happy with that. These have zero drone which is one of the reasons I went with Borla.

Install is not too involved if you have a lift.
I do not have a lift but do have a decent set of home made ramps that get the car higher than store bought ramps.
The connectors on the 2011-2014 are different than my old '07 and I had to take out the exhaust hanger brackets in order to get the mufflers off the car.
A second set of hands was definitely needed.
Putting them back was a breeze due the Borlas being smaller than those large stockers.

 

Did the same on our 15 GT but went with Roush. She's a sweet ride man!

Bill

 

Nice!!! Get a sound vid up!! I remember doing a set mufflers for a friend, it was a bit of a pita, but with patience, do able.

 

Thanks, your car is pretty cool too.
I get those 15's as rentals all the time so the new pipes are definitely well needed versus stock.

 

Thanks, I do plan on a sound clip one of these days I'll throw it up here.