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:
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Video by ECS Videographer Jeremy Bryner

[nyna]

I got a STAGE II on my S5 I got this coming in the mail Friday. I can't wait to hear how it's gonna sound. Like a UFO 👽

[Mike-btki]

Is it normal for it to flutter? I thought BOV just make that whoosh noise

[Goulding]

What were the exhaust and intake mods when this video was taken. Sounds exactly how I'd like them to sound

[nuddahundo]

What's the name of blow off valve? And where did you purchase it from? I'm ready to buy one for my b8 S4 ty

[dilrajsingh]

Could you do an installation video and link me the websites where you bought this

[peterwoodward]

What part is on your fog light accents?

[brandonbanana]

Nice video! What springs are you running on your S4?

[Poopeepooo]

No thanks. It makes me think of a body builder with a high pitched voice.