aFe POWER 49-38099 Cat Back Exhaust Instruction Manual
- June 13, 2024
- aFe POWER
Table of Contents
Cat-Back Exhaust
49-38099
49-38099 Cat Back Exhaust
INSTALLATION INSTRUCTIONS
MAKE: Jeep
MODEL: Wrangler JL 392
YEAR: 2021-2022
ENGINE: V8-6.4L
| Item | Description | Part Number | Quantity |
|---|---|---|---|
| 1 | Passenger Side Connection Pipe | 05-245249 | 1 |
| 2 | Driver Side Connection Pipe | 05-245250 | 1 |
| 3 | Muffler Assembly | 05-245251B | 1 |
| 4 | Clamp, Band: 3” | 05-41055 | 4 |
| 5 | Vacuum Plug: 4mm | 05-46511 | 2 |
| 6 | Zip Tie | 05-60167 | 2 |
aFe POWER recommends professional installation on this product.
Thoroughly inspect the aFe POWER exhaust system to make sure there is no
damage from shipping (if damage is noted, immediately contact aFe POWER
customer service). Allow time for your vehicle to cool down prior to
installation. When working on your vehicle proceed with caution. Wear
protective safety equipment; eye goggles and gloves to ensure a safe
installation.
Install band clamps to proper torque specifications of 40-45 ft-lb.
Install V-band clamps with anti-seize lubricant and hand tighten only to
torque specifications of 10-15 ft-lb.
- (Read instructions prior to installation.) It is recommended to not fully tighten the exhaust until it has been fully installed. Leave loose for adjustability.
- Secure vehicle on jack stands (refer to your manual for specified jack stand positions).
- For faster installation, spread out the parts of the exhaust alongside your vehicle as shown in the diagram above.
- Secure the stock exhaust with jack/stands.
- Disconnect Vacuum Line from O.E. Pneumatic Valve from passenger and driver side. Use provided Vacuum Plugs and zip ties to tuck the Vacuum line away from the exhaust.
- Loosen O.E. Over-Axle Clamps. Slide the two rear hangers from the Rubber Isolator Mounts holding the O.E. Rear Muffler. Remove the O.E. Rear Muffler from the Vehicle.
- Loosen O.E. Front Clamps. Slide the two hangers from the Rubber Isolator Mounts holding the O.E. Front Muffler. Remove the O.E. front muffler from the Vehicle.
- Install aFe Power Passenger Side Connection Pipe and Secure with provided 3” band clamp.
- Install aFe Power Driver Side Connection Pipe and Secure with provided 3” band clamp.
- Slide aFe Power Muffler Assembly into aFe Power Driver Side Connection Pipe and aFe Power Passenger Side Connection Pipe. Secure with provided 3” band clamps. Install Hangers into Rubber Isolation Mounts.
- Ensure that all the components of the aFe POWER exhaust system are aligned and are at a safe clearance from all wires, hoses, brake lines, body parts, and tires.
- Start from the front of the aFe exhaust system and evenly tighten all clamps and fasteners.
- Start the vehicle and check for any leaks. If any leaks are found, determine cause and repair as necessary.
- Remove vehicle from jacks stands.
- It is recommended to re-tighten all clamps and hardware after 50-100 miles.
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