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1K-3 Exhaust System:
Resonator
Some exhaust systems are equipped with a resonator. The resonator, located either before or after the muffler, allows
the use of mufflers with less back pressure. Resonators are used when vehicle characteristics require specific exhaust
tuning.
Catalytic Converter
The catalytic converter is an emission control device used to reduce hydrocarbons (HC), carbon monoxide (CO), and
oxides of nitrogen (NOx) pollutants from the exhaust gas.
The catalytic converter is comprised of a ceramic monolith substrate, supported in insulation and housed within a
sheet metal shell. The substrate may be washcoated with 3 noble metals:
• Platium (Pt)
• Palladium (Pd)
• Rhodium (Rh)
The catalyst in the catalytic converter is not serviceable.
Muffler
The exhaust muffler reduces the noise levels of the engine exhaust by the use of tuning tubes. The tuning tubes
create channels inside the exhaust muffler that lower the sound levels created by the combustion of the engine.
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Troubleshooting
