Walker 18977 Exhaust Muffler

Brand	Walker 18977
Muffler Type	Reflection
Universal Or Specific Fit	Specific
Shape	Oval
Grade Type	Regular
Inlet Inside Diameter	2.5
Body Width	9
Inlet Quantity	1
Outlet Inside Diameter	2.5
Outlet Quantity	1
Reversible	No
Tunable	No
Overall Length	32
Body Height	7
Body Length	28
Body Material	Steel
Finish	Aluminized
Inlet 1 Inside Diameter	2.5
Inlet 1 Type	Pipe connection
Inlet Configuration	Offset
Inlet Offset	1.625
Inlet Type	Pipe connection
Outlet 1 Inside Diameter	2.5
Outlet 1 Type	Pipe connection
Outlet Configuration	Offset
Outlet Type	Pipe connection
Product line	SoundFX Direct Fit
Fits	Ford and Lincoln · 63 vehicles

Direct-fit design. Installs as a specific replacement with no guesswork.

Aluminized steel. Helps resist corrosion for longer service life.

Reflection muffler. Delivers quality appearance with favorable acoustics.

Cross-references Anchor 2463 and AP Exhaust 700456 for the same application. See all 2.

$97.08Free shipping

In stock · usually ships same day before 1pm CST

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Walker SoundFX Direct Fit Muffler for Ford F-150

Walker SoundFX Direct Fit muffler Part Number 18977 is a specific-fit exhaust muffler for select Ford F-150 and Lincoln Mark LT applications. It uses an oval steel body with aluminized finish to support longer service life than low-carbon steel, while the reflection-style internal design helps deliver controlled exhaust acoustics.

The SoundFX Direct Fit line focuses on OE-style fitment and a clean appearance for truck exhaust replacement work. For buyers searching for a Ford F-150 muffler replacement or a Lincoln Mark LT exhaust muffler, Part Number 18977 provides a direct-fit solution with the dimensions and inlet/outlet configuration needed for the listed applications.

Key Features

Part Number 18977 Walker SoundFX Direct Fit exhaust muffler
Specific-fit design for listed Ford F-150 and Lincoln Mark LT applications
Reflection muffler type for controlled exhaust sound
Oval steel body with aluminized finish
2.5-inch inlet and 2.5-inch outlet pipe connections
Offset inlet and offset outlet configuration
Mechanical interior joints and spun-locked heads for added durability
Overall length: 32 inches; body length: 28 inches; body width: 9 inches; body height: 7 inches

Product Details

Walker SoundFX Direct Fit Part Number 18977 is built for exhaust replacement on 2004-2008 Ford F-150 and 2006-2008 Lincoln Mark LT models listed below. The muffler’s 2.5-inch inlet and outlet sizing, offset configuration, and oval body shape make it a practical choice for restoring factory-style exhaust routing on the specified vehicles. This part cross-references Anchor 2463 and AP Exhaust 700456 for the same application.

Common Issues It Can Address

Exhaust noise caused by a worn or rusted muffler
Corrosion-related muffler failure on aluminized or steel exhaust systems
Loss of factory-style exhaust tone after muffler damage
Fitment problems when replacing a welded-in muffler assembly
Exhaust system deterioration on a Ford F-150 or Lincoln Mark LT

Installation Notes

Fits 2004-2008 Ford F-150, N/A; if welded assembly, replace all required parts; SoundFX Direct Fit
Fits 2006-2008 Lincoln Mark LT, N/A; if welded assembly, replace all required parts; SoundFX Direct Fit
Fits 2006-2007 Ford F-150, N/A; except Twin Tailpipes; if welded assembly, replace all required parts; SoundFX Direct Fit
Fits 2004 Ford F-150, N/A; except Lightning Package; if welded assembly, replace all required parts; SoundFX Direct Fit

Verify inlet and outlet orientation, overall length, and body dimensions before installation. Because some applications use welded assemblies, inspect the surrounding exhaust components and replace all required parts during service to maintain proper alignment and sealing.

Quality Assurance

Walker SoundFX Direct Fit mufflers use 100% aluminized steel for improved service life versus low-carbon steel, along with mechanical interior joints and spun-locked heads for durability. The SoundFX Direct Fit product line is built to deliver OE-style appearance and consistent exhaust acoustics for the listed Ford F-150 and Lincoln Mark LT applications.

This part fits 63 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Submodel	Drive Type	Liters	Cylinders	Wheel Base	Position	Notes
2008	Ford	F-150	—	—	5.4L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	F-150	—	—	4.6L	V8	163.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	F-150	—	—	4.6L	V8	138.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	F-150	—	—	4.6L	V8	150.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	F-150	—	—	5.4L	V8	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	F-150	—	—	4.6L	V8	144.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	F-150	—	—	4.2L	V6	144.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	F-150	—	—	4.2L	V6	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	F-150	—	—	5.4L	V8	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	F-150	—	4WD	4.6L	V8	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	F-150	—	4WD	4.6L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Lincoln	Mark LT	—	—	5.4L	V8	138.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	XLT	—	5.4L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	XL	—	5.4L	V8	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	XLT	—	5.4L	V8	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	FX4	—	5.4L	V8	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	FX4	—	5.4L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	—	—	4.6L	V8	163.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	—	—	4.6L	V8	138.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	—	—	4.6L	V8	150.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	—	—	4.6L	V8	144.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	—	—	4.2L	V6	144.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	—	—	4.2L	V6	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	—	—	5.4L	V8	—	N/A	Except Twin Tailpipes; If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	—	4WD	4.6L	V8	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	F-150	—	4WD	4.6L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Lincoln	Mark LT	—	—	5.4L	V8	138.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	XLT	—	5.4L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	XLT	—	5.4L	V8	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	FX4	—	5.4L	V8	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	FX4	—	5.4L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	—	—	4.6L	V8	163.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	—	—	4.6L	V8	138.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	—	—	4.6L	V8	150.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	—	—	4.6L	V8	144.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	—	—	4.2L	V6	144.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	—	—	4.2L	V6	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	—	—	5.4L	V8	—	N/A	Except Twin Tailpipes; If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	—	4WD	4.6L	V8	126.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	F-150	—	4WD	4.6L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Lincoln	Mark LT	—	—	5.4L	V8	138.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	F-150	—	—	4.2L	V6	144.7"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	F-150	—	—	5.4L	V8	126.1"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	F-150	—	—	5.4L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	F-150	—	—	4.6L	V8	138.4"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	F-150	—	—	4.2L	V6	126.1"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	F-150	—	—	4.6L	V8	144.7"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	F-150	—	—	4.6L	V8	163.3"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	F-150	—	—	5.4L	V8	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	F-150	—	4WD	4.6L	V8	126.1"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	F-150	—	4WD	4.6L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	FX4	—	5.4L	V8	126.1"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	FX4	—	5.4L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	XLT	—	5.4L	V8	126.1"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	XLT	—	5.4L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	—	—	4.6L	V8	163.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	—	—	5.4L	V8	145.0"	N/A	Except Lightning Package; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	—	—	4.6L	V8	144.7"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	—	—	5.4L	V8	163.0"	N/A	Except Lightning Package; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	XLT	4WD	4.6L	V8	126.1"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	STX	4WD	4.6L	V8	126.1"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	XLT	4WD	4.6L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150	STX	4WD	4.6L	V8	132.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
No rows match your filter.

Directly replaces or cross-references 2 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Anchor — 2463AP Exhaust — 700456