No need for aftermarket mufflers when it sounds like that.
Now all we need is Ford Racing to offer a retrofit kit for the 15-17's
https://www.americanmuscle.com/roush-active-exhaust-1516gt.htmlThe only thing i've seen close to this in the aftermarket is this: https://www.holley.com/products/exh...aust_kits_and_accessories/parts/71013001-RHKR
It's awesome OEM is doing that.