Audi active sound exhaust for A4

1. Short installation time, non-destructive installation ,no welding or drilling required (special kit)
2. Up to 8 sound wave configurations
3. Produce realistic V6 or V8 engine sound
4. APP control, 4 operation modes
5. Intelligent volume switch adjustable
6.Hansshow automobile supplier


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    Audi active sound exhaust for A4 Demo Video

    Car Inside Demo

    Car Outside Demo

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