AWE Tuning Audi B8 S5 4.2L Touring Edition Exhaust System - Polished Silver Tips Color:Silver full-speed RPM threshold

full-speed RPM threshold

and consistent airflow

the 13136 EFI Bypass Regulator can handle high-flow EFI fuel pumps and the most aggressive street machines

squat and trailer sway

this "noticeable" system lets them know you're coming

AWE Tuning Audi B8 S5 4.2L Touring Edition Exhaust System - Polished Silver Tips Color:Silver full-speed RPM thresholdS5 4. 2L Touring Edition Exhaust System The more civilized member of the family is the S5 4. 2L Touring Edition Exhaust. In addition to the central muffler from the Track Edition Exhaust, our Touring Edition system features an x pipe for enhanced exhaust scavenging and also features AWE 180 Technology. For S5 owners looking to fine tune the sound even more, we offer our Resonated Downpipes. Our Resonated Downpipes feature resonators larger than the