Mitsubishi LANCER EVOLUTION 2003 Technical Information Manual page 51

15-6
EXHAUST PIPE AND MUFFLER
.
The exhaust system consists of 3 separate sections:
front exhaust pipe, center exhaust pipe, and main
muffler. It has the following features:
• Straight layout of exhaust piping to reduce vibra-
tion and exhaust pressure in exhaust system.
• Rubber hangers reduce vibration from the
exhaust system.
CONSTRUCTION DIAGRAM
SEAL RING
FRONT EXHAUST PIPE
INTAKE AND EXHAUST
EXHAUST SYSTEM
• All stainless exhaust piping reduces corrosion
• Thermal insulating cover and materials on front
• Seal ring reduces driving noise and vibration dur-
• The main muffler has a back pressure variable
WHEN
VALVE
IS OPEN
BACK
PRESSURE
VARIABLE
VALVE
Y2187AU
HEATED OXYGEN SENSOR
CATALYTIC CENTER EXHAUST
PIPE
CONVERTER
and heat.
pipe improve emission control performance.
ing idling.
valve.
FLOW OF EXHAUST GAS
PRE-MUFFLER
PRE-MUFFLER (SUB)
M2150003000039
10020AU
MAIN MUFFLER
AC210035
AC210036 AB