![News AC duct](/fileadmin/_processed_/9/2/csm_News_AC-duct_820e75ccb4.jpg)
Acoustically effective A/C air ducts
Who would’ve thought? Engine, transmission, and tire noise have become so quiet that the air-conditioning system is now the noisiest part of a car. The start-stop feature, which turns off the engine when the car is stopped, has especially contributed…
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