Installation Instructions
18. Emission Control System
18-4 
Catalytic Converting System (CATA) 
1. Construction: 
2. Description: 
1) The function of the catalytic converter is to transfer unburned CO, HC, and NOx harmless CO
2
, H
2
O, 
N
2
 gases. 
2) Pt, Pd, Rh…etc. precious metals are used into the catalytic converter so use only unleaded 
gasoline to prevent from cause the catalytic converter to fail. 
Engine 
Exhaust muffler 
Catalytic converter 
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