To reduce the heat
To reduce the noise
To reduce the vibration
To filter the exhaust gases
Between exhaust pipe and tail pipe
Between tail pipe and exhaust manifold
Between engine head and exhaust manifold
Between exhaust pipe and exhaust manifold
Fuel system
Inlet system
Exhaust system
Lubrication system
Control the noise
Control the emission
Control the temperature
Control the fuel consumption
Between muffler and tail pipe
Between exhaust pipe and muffler
Between tail pipe and resonator pipe