Audi S3 8Y - Non-Resonated Race (Loudest) Cat Back Exhaust System with with Polished Ovals Audi > SQ8 > 4.0 V8 Bi-Turbo (Petrol OPF / GPF Equipped Models Pre LCI) > 2020 to 2024 do not overtighten the screws

do not overtighten the screws as this can cause the thread in the rocker cover to strip

allowing the exhaust to change from quieter cruising tones in comfort mode to much louder tones in sport mode

Static Exhaust Sound Example - Non Resonated Cat Back (with Rear Box)

The non resonated cat back system offers the biggest sound upgrade offering an increase of 7db over the standard system in the 3

which limits the potential of that fantastic 3

Audi S3 8Y - Non-Resonated Race (Loudest) Cat Back Exhaust System with with Polished Ovals Audi > SQ8 > 4.0 V8 Bi-Turbo (Petrol OPF / GPF Equipped Models Pre LCI) > 2020 to 2024 do not overtighten the screws