I own a 2011 g37x and currently for my exhaust im running a borla cat back and fast intentions high flow cats. I want to make my car louder without removing either of the 2 parts i already out in. Also, i had already thought about removing the resonator but i didnt want to create drone

 

Get rid of the Borla.

 

You should be droning with borla, at or mt?

 

I was thinking about getting rid of the muffler, and its the 7at