Matrix XRS 2WD L4-1.8L (2ZZ-GE) (2003)
Sound Proofing / Insulation: Description and Operation
Low Vibration and Low Noise Body
1. General
An effective application of vibration damping and noise suppressant materials reduces engine and road noise.
2. Sound Absorbing and Vibration Damping Materials
^ Foamed urethane sponge and foamed seal material are applied onto the roof panel and pillars to reduce wind and road noise.
^ Adoption of the large-size dash panel silencer, the dash outer silencer, the hood silencer, and the engine under cover silencer have reduced the engine
and road noise, improving the quietness in the compartment.