Audi A7 active exhaust active sound exhaust system with app control
1.There is an intelligent electronic variable valve system in the exhaust, which can switch V6 or V8 engine sound with one click
2.High-quality stainless steel material, so that the exhaust pipe has a longer service life, corrosion resistance, rust resistance and more durable
3.Adjustable, multiple control modes
4.hansshow active sound exhaust system supplier
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