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How to Install a MBRP Cat Back Exhaust on your 2004-2006 Jeep Wrangler TJ Unlimited
Shop Parts in this Guide
Removal of Stock System:
1. Apply a penetrating lubricant liberally to all exhaust fasteners, hangers and rubber insulators.
2. Cut the exhaust pipe after the muffler to be able to remove it from the vehicle. Refer to Figure 1.
Figure 1
Figure 2
3. Remove the tail section of the exhaust by removing it from the rubber isolators. Refer to Figure 2.
Figure 2
4. Remove the hardware from the flange and remove the muffler. Refer to Figure 3.
Figure 3
Installation of MBRP Inc. Performance Exhaust:
1. Install the Muffler to the existing flange using the fasteners provided. Slide the Muffler hanger into the existing rubber isolator. Refer to Figure 4.
Figure 4
2. Slide the 2 ½” Clamp over the Muffler outlet then install the Tail Pipe to the Muffler. Use the fasteners provided to install the Exhaust Hanger through the existing hole in the frame located just above the Tail Pipe hanger. Install the Tail Pipe hanger into the rubber isolator. Refer to Figures 5 & 6.
Figure 5
Figure 6
3. The existing Tail pipe hanger can be removed from the outside frame rail. Refer to Figure 7. Align the exhaust as required. Starting at the front of the exhaust, tighten all clamps and connections.
4. 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. If any interference is detected relocate or adjust.
Figure 7
Congratulations! You are ready to begin experiencing the improved power, sound and driving experience of your MBRP Inc. performance exhaust system. We know you will enjoy your purchase.
