Forge Motorsport Audi B9 S4 Blow Off Valve
Forge Motorsport Atmospheric Dump Valve (aka BOV) on the ECS Audi B9 S4
Modifications worth noting:
ECS Tuning Intake
ECS Tuning Turbo Inlet
ECS Tuning Prototype Charge Pipe Upgrades
ECS Tuning Prototype High Flow Catalytic Converter and Downpipe
ECS Tuning Prototype Valved Exhaust
Where I buy car parts from:
Affiliate Links
ECS Tuning → https://bit.ly/ECSTuningParts
Turner Motorsport → https://bit.ly/TurnerBMWparts
Video by ECS Videographer Jeremy Bryner