This is an installation on a 2020 7.3L Behind Tire Exhaust Kit Paired with MPI Turbo Series.
Here's what it sounds like:
   • 7.3L Ford MPI Exhaust (MPI Turbo Seri...  

MPI Exhaust Technologies is the First Exhaust Company to Perfect the True cat back Dual Exhaust system for Gas Powered Pick-Ups. Our Systems Provide The Full Performance Advantage of a Dual Exhaust system while eliminate all Unwanted Cab Noise and Guarantee no Droning. These are High Quality Patent Pending Weld together Exhaust Kit.
Want to purchase an Exhaust system like this go to:
https://www.mpiexhausttechnologies.com/