Rear Side Splitters Audi A4 B9 Facelift Discovery 2 The pitch perfect sound changes

The pitch perfect sound changes when under load increasing in volume and becoming more engaging with sound testing of the resonated cat back exhaust revealing a + 4dB increase on the 4

REAR VALANCE VW GOLF V R32 (with 2 exhaust holes) (2003-2008)

BMW X3 M-Pack G01 2018 - 2021

The new Cobra Sport systems for the Mk3 TTS offer the best of both worlds producing a deeper exhaust tone than standard which becomes highly aggressive when under full load whilst maintaining a sophisticated improvement in tonality for everyday use

Rear Side Splitters Audi A4 B9 Facelift Discovery 2 The pitch perfect sound changesRear Side Splitters Audi A4 B9 Facelift FITS ONLY: Audi A4 B9 Facelift (2019 )