Revving various exhaust setups, same car, same camera, similar rev setups. All clips are stock header, stock tune, PSE Valves fully opened.
Setup 1: Only Soul Valved Rear Muffler System Stainless
Setup 2: Kline OAPs and Valved Rear Muffler System Inconel
Setup 3: Soul Resonated OAPs and Soul Valved Rear Muffler System Stainless
Setup 4: Only Soul Resonated OAPs, stock muffler
![](https://i.ytimg.com/vi/-KInTmHV-3k/mqdefault.jpg)