Resonators actually create sound waves that cancel out annoying exhaust sounds that even pass by your vehicle's muffler. Resonators and Welded Resonator Assemblies provide precise tuning technologies to ensure excellent flow characteristics and OE-style sound. The resonator is used on all models of the Geo Metro. It allows for the use of mufflers with less back pressure and provides for more effective exhaust system tuning characteristics. The resonator is serviced as part of the resonator/muffler/tail pipe assembly.
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