Owner manual

GM8427 © 1/13 PAGE 1 OF 3

Figure 1

Removal of Stock Component:

1. Remove the passenger side inner fender. See Figure 1.

Note: we also removed the Grille Assembly to prevent damage to it

during the removal or installation of the down pipe.

2. Remove the hex bolt securing the down pipe to the exhaust manifold.

Remove the sensor located just above the hex bolt. The V-Band clamp

connecting the front pipe to the down pipe can also be removed. Save

the hex bolt, sensor and V-band clamp for the installation.

See Figure 2.

3. The front pipe needs to be temporarily removed. Carefully disconnect

all sensors and loosen the four flange nuts on the rearward part of the

front pipe. The transmission cross-member will need to be temporarily

dropped to remove the front pipe. Remember to support the

transmission with a block or jack stand while doing the transmission

cross member is removal. See Figure 3.

Figure 2

Figure 3

Sensor

Bolt

V-Band clamp

PAGE 1
Removal of Stock Component: Figure 1 1. Remove the passenger side inner fender. See Figure 1. Note: we also removed the Grille Assembly to prevent damage to it during the removal or installation of the down pipe. 2. Remove the hex bolt securing the down pipe to the exhaust manifold. Remove the sensor located just above the hex bolt. The V-Band clamp connecting the front pipe to the down pipe can also be removed. Save the hex bolt, sensor and V-band clamp for the installation. See Figure 2. 3.
PAGE 2
Figure 4 4. The front pipe also has a hanger mounted to the transmission that will also have to be removed. Figure 4 shows the front pipe assembly removed. 5. The heat shield on top of the turbo will need to be removed. There is also a shield on the back of the down pipe. It runs along the firewall that needs to be removed. The 2 stock sensors on the top of the down pipe need to be carefully removed. Set the sensors aside and save for the installation.
PAGE 3
5. Reinstall the exhaust hanger to the transmission cross member. Reinstall the transmission cross member. Reconnect all the sensors to the front pipe. 6. Reinstall the passenger side inner fender. 7. Reinstall the turbo heat shield. Refer to Figure 10. Check along the exhaust to make sure all connections and tightened. Check along the whole length of the exhaust system to ensure that there is adequate clearance around the spare tire, fuel and brake lines or any wiring.