Audi B8 S4 Non-Resonated Valved ECS Tuning Exhaust
Quick clip of an Audi B8 S4 3.0T with the ECS Valved Non-Resonated Exhaust system.
This car has factory catalytic converts are in place.
Where I buy car parts from:
Affiliate Links
ECS Tuning → https://bit.ly/ECSTuningParts
Turner Motorsport → https://bit.ly/TurnerBMWparts
Video by ECS Tuning Videographer Stephan Nemeth