Audi A8 exhaust sound booster active sound exhaust system

1.There is an intelligent electronic variable valve system in the exhaust, which can switch V6 or V8 engine sound with one click
2.APP control, 4 operation modes
3.Original position non-destructive upgrade, does not affect the warranty
4.Support wholesale, OEM group purchasing at a very good price.
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    Audi A8 exhaust sound booster

    Car Inside Demo

    Car Outside Demo

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