I made a video of a 2022 Camaro SS 1LE cammed + longtube headers + corsa valved axle back vs same setup but with stock NPP axle back.
I ended up swapping my stock NPP exhaust to this car and taking his Corsa Axle Back.
https://www.youtube.com/shorts/r8gpTeXtMDA
another video with the Corsa NPP + long tubes + headers:
https://www.youtube.com/shorts/uLHcPQbpp8U