I'm going with the Magnaflow series. I was told to stay away from the MBRP exhaust because it's not made from the best quality stainless steel, and it's also not made in the USA. I'm getting an awesome deal on the street series, so that's what I'm going with. It's not overly loud until you punch it, and that's the sound I want. I have a local shop that does high-performance cars, and they will be doing my install. They are also the ones who told me about the MBRP exhaust. I did not purchase my exhaust from them, they are just doing my install. He said there's a reason why they're half the price of other exhausts. I know a guy who has kooks on his 2015 GT, and it's loud, but not as deep as the Magnaflow. Good luck!