How to service the dual converter Exhaust Pipe on 2003 Lincoln Navigator?

The dual converter Y-pipe requires removing the sensors as well as raising the vehicle to service. Unscrew the catalytic converter-exhaust manifold nuts and unscrew the clamp. Take out LH converter then support the muffler to take out the RH converter. Use anti-seizing lubricant prior to install and loosening fasteners beginning at front.

OEM 2003 Lincoln Navigator Exhaust Pipe

Exhaust Tail Pipe

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2 Exhaust Pipes found

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2003 Lincoln Navigator Muffler W/Tpipe, Front Part Number: 4L7Z-5230-A
$339.37 MSRP: $446.27
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Product Specifications
- Other Name: Muffler Assembly - Front; Exhaust Muffler; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler
- Position: Front
- Replaces: 4L1Z-5230-AA, 3L7Z-5230-AA
- Base No.: 5230
- Item Weight: 34.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4L7Z-5230-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2003 Lincoln Navigator Submodels:
- Base | 8 Cyl 5.4 L GAS
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2003 Lincoln Navigator Exhaust Pipe Part Number: 2L7Z-5201-AB
Product Specifications
- Other Name: Pipe - Exhaust; Tail Pipe; Rear Pipe
- Replaces: 2L7Z-5201-AA
- Base No.: 5201
- Item Weight: 14.30 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 2L7Z-5201-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2003 Lincoln Navigator Submodels:
- Base | 8 Cyl 5.4 L GAS

2003 Lincoln Navigator Exhaust Pipe

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2003 Lincoln Navigator Exhaust Pipe Parts Q&A

Q: How to service the dual converter Exhaust Pipe on 2003 Lincoln Navigator?
A: The dual converter Y-pipe requires removing the sensors as well as raising the vehicle to service. Unscrew the catalytic converter-exhaust manifold nuts and unscrew the clamp. Take out LH converter then support the muffler to take out the RH converter. Use anti-seizing lubricant prior to install and loosening fasteners beginning at front.