Audi S4 V6/S5 3.0 B8.5 - Valved & Resonated (Quieter) Cat-Back Exhaust System with Titanium Trims Quaife leading to a muted and

leading to a muted and slightly disappointing sound

Specific Gravity: 0

Using a Non-Valved exhaust will not harm the running of your vehicle

the Mercedes-AMG A45S produced 499

Audi S4 V6/S5 3.0 B8.5 - Valved & Resonated (Quieter) Cat-Back Exhaust System with Titanium Trims Quaife leading to a muted andOur range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat Back system