AWE Tuning Audi B9 S4 SwitchPath Exhaust - Non-Resonated (Black 102mm Tips) mercedes The design and components of

The design and components of each intake system vary so consult the installation instructions for more information on the contents of each part number

these custom-molded polyurethane air springs are simply inserted in the rear coil springs

or a more aggressive engine sound

TLDR: 330i go Track Edition

AWE Tuning Audi B9 S4 SwitchPath Exhaust - Non-Resonated (Black 102mm Tips) mercedes The design and components ofInstead, the Track Edition comes with non resonated downpipes and straight pipe sections. The precision engineered x pipe and Sportback specific mid merge are the only filters. This version is known to get rowdy and may be too much for many. For that reason, this version cannot be returned due to sound preference. Prepare yourself. SwitchPath Exhaust The SwitchPath valved solution is for those who want complete control of their S5 Sportbacks volume