See also:

Substantially reduced road and wind noise
Many improvements were made to structural rigidity and powertrain NVH performance to provide a quieter, more pleasant ride, including the reduction of high frequency booming noise sometimes heard ...

Reporting Safety Defects (U.S.A.)
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in ...

A More Exciting Engine Sound
All Mazda MX-5 facelift versions offer a sportier engine sound. Mazda engineers restructured the sound-creating elements of the facelift model - like the surge tank, the intake ducts and the exhau ...