1. Remove the right side cover by removing the
two bolts and one plastic pop rivet located on
the inside front of the side cover.
2. Remove the two header nuts.
3. While securely supporting the stock muffler
assembly, remove the two muffler mount bolts
and carefully remove the stock muffler
assembly.
Note: The stock exhaust port gaskets will be
re-used. Inspect and replace if necessary.
Removal
Installation
1. Install (No. 1)
22120-101,
Yoshimura header using
the stock header nuts. Do not torque at this time.
2. Install (No. 2)
221200B250,
Yoshimura muffler
onto (No. 1)
22120-101,
Yoshimura header.
Secure muffler to chassis using the stock muffler
mount bolt. Torque muffler mount bolt to factory
specification.
3. Install (No. 5)
RACE-SPS-1,
medium exhaust
springs onto muffler and header connection.
4. Torque header nuts to factory specification.
5. Install (No. 3)
2115-HS,
Yoshimura heatshield
onto (No. 1)
22120-101,
Yoshimura header using
(No. 4)
RC116HSB,
heatshield screws provided in
the kit.
6. Re-install right side cover using the reverse steps
of removal.
7. Before starting vehicle, check for proper
clearance between new exhaust system and
rear suspension (i.e. tire, control arm, brakes,
rear shock, and etc.) If any problem is found,
please carefully follow through the installation
steps again. If problem still persists, please call
Yoshimura Tech Department at (800) 634-9166 /
in CA (909) 628-4722.
8. It is recommended that the muffler and tailpipe
be wiped down with rubbing alcohol to remove
oil and fingerprints. This will help prevent
tarnishing of the finish after the exhaust is
heated up.
Note: After starting vehicle, it is normal for new
exhaust system and muffler to emit smoke
until oil residue burns off.
3
NO.
DE S CRIPTION
QTY
1
A lum inum Ring
1
2
S park A rres ter
1
3
S park A rres ter S ec uring B olt
1
4
M uffler A s s em bly
1
4
1
2
1. Using a 4mm Allen key, remove the bolt that
secures the aluminum ring and spark arrester to
the muffler (see Parts Diagram for location).
2. Remove the spark arrester from the muffler.
3. Using a wire brush, remove carbon deposits
from spark arrester screen. Inspect the screen
for excessive wear or damage. If spark arrester
is excessively worn or damaged, the spark
arrester must be replaced. Cleaning and
inspection should be performed after every 60
hours of use.
CAUTION: Gloves and safety glasses should be
worn while cleaning spark arrester.
4. Re-install spark arrester and aluminum ring.
Torque the spark arrester securing bolt to 1.0 kg-
m (7.3 lb-ft).
Note: It is recommended that a low strength,
high temperature thread-lock is used on
the spark arrester securing bolt.
Parts Diagram
Spark Arrestor Maintenance
