2024 Mustang Gt H Pipe. You can discern the difference between the two. The pipes are compared with a decibel meter app to see which setup offers the best sound over stock.
Steeda has a very good video comparing both on a 2024 mustang gt with active exhaust. We’ve done this test on a 2021 mustang gt in the past, but with the new gen 4 coyote, it’s time.