2014 Audi RS7 vs 2014 Porsche Panamera Turbo
Comparison video of 2014 Audi RS7 to a 2014 Porsche Panamera Turbo
Panamera Turbo with OPEN Exhaust cut out after Cats
Basically opened exhaust right after catalytic converters
https://youtu.be/swS29jhcB2o
https://youtu.be/Ha8wMOgGAR8
https://youtu.be/qyaqOfzaQ-o
https://youtu.be/mM7js5ENIq8