How to Service and Repair a Tail Pipe and Muffler with a Fire Suppression System on Mercury Grand Marquis?

To maintain the muffler and tailpipe, depower the fire suppression system when it is installed. Lift the vehicle in neutral, unscrew the rear suspension parts, and unscrew the isolator. Uninstall the muffler and tailpipe system, fit the new fasteners and work in tighter. Turn back on the fire suppression system, as necessary.

How to Properly Service and Repair a Muffler and Tail Pipe on Mercury Grand Marquis?

Firstly, switch off the air suspension system in order to service the muffler and tailpipe. Place the car on a hoist, chop the tailpipe and take out required parts. Install the new components with fasteners to torque as required. Lastly reconnect the exhaust inlet pipe and restore air suspension switch (where available).

OEM Mercury Grand Marquis Tail Pipe

Exhaust Tail Pipe

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Mercury Grand Marquis Front Pipe Part Number: 4W7Z-5246-CA
$224.66 MSRP: $310.80
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Product Specifications
- Other Name: Pipe - Exhaust; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe
- Replaces: 3W7Z-5246-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2011 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Inlet Pipe Part Number: 4W7Z-5246-BA
Product Specifications
- Other Name: Pipe - Exhaust; Exhaust Crossover Pipe; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Front Pipe
- Replaces: 3W7Z-5246-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Inlet Pipe, Front Part Number: F2AZ5246C
Product Specifications
- Other Name: Pipe - Exhaust Front; Exhaust Pipe; Front Pipe; Pipe - Exhaust - Front
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1994 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Muffler, Rear Passenger Side Part Number: 6W7Z-5230-BA
Product Specifications
- Other Name: Muffler Assembly - Centre And Rear; Exhaust Muffler, Right
- Position: Rear Passenger Side
- Replaces: 4W7Z-5230-DA, 5W7Z-5230-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Inlet Pipe Part Number: 4W7Z-5246-AA
Product Specifications
- Other Name: Pipe - Exhaust; Exhaust Crossover Pipe; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Front Pipe
- Replaces: 3W7Z-5246-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS

Mercury Grand Marquis Tail Pipe

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Mercury Grand Marquis Tail Pipe Parts and Q&A

Inlet Pipe
4W7Z-5246-AA
Q: How to Service and Repair a Tail Pipe and Muffler with a Fire Suppression System on Mercury Grand Marquis?
A: To maintain the muffler and tailpipe, depower the fire suppression system when it is installed. Lift the vehicle in neutral, unscrew the rear suspension parts, and unscrew the isolator. Uninstall the muffler and tailpipe system, fit the new fasteners and work in tighter. Turn back on the fire suppression system, as necessary.
Inlet Pipe
4W7Z-5246-BA
Q: How to Properly Service and Repair a Muffler and Tail Pipe on Mercury Grand Marquis?
A: Firstly, switch off the Air Suspension system in order to service the muffler and tailpipe. Place the car on a hoist, chop the tailpipe and take out required parts. Install the new components with fasteners to torque as required. Lastly reconnect the exhaust inlet pipe and restore air suspension switch (where available).