Walker 18955 Exhaust Muffler

Brand	Walker 18955
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	34
Body Height	7
Body Length	30
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
Muffler Type	Combination
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 · 61 vehicles

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

Aluminized steel. Helps resist corrosion for longer service life than low-carbon steel.

Mechanical interior joints. Spun-locked heads add durability and help maintain a quality appearance.

Cross-references AP Exhaust 700297 for the same application. See all 1.

$78.46Free 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 18955 is a specific-fit exhaust muffler for select 2001-2004 Ford F-150 and Ford F-150 Heritage applications. It uses an oval steel body with an aluminized finish to support longer service life than low-carbon steel while maintaining a clean, OE-style appearance.

Key Features

Specific-fit exhaust muffler for select Ford F-150 applications
Oval body design with 34-inch overall length
2.5-inch inlet and 2.5-inch outlet with pipe connection ends
Offset inlet and offset outlet configuration
100% aluminized steel construction for improved corrosion resistance
Mechanical interior joints and spun-locked heads for added durability
Walker SoundFX Direct Fit line for direct replacement applications

Product Details

Walker SoundFX Direct Fit Part Number 18955 is built as a combination-style muffler with a 30-inch body length, 9-inch body width, and 7-inch body height. The aluminized steel body and offset 2.5-inch inlet/outlet layout support direct replacement use on the listed Ford truck applications, including 2001-2003 Ford F-150 and 2004 Ford F-150 Heritage. This part cross-references AP Exhaust 700297 for the same application.

The SoundFX Direct Fit product line focuses on direct replacement fitment, quality appearance, and controlled exhaust acoustics. For Ford F-150 owners replacing a worn muffler, Part Number 18955 provides a vehicle-specific solution that matches the listed pipe size and configuration requirements.

Common Problems This Muffler Can Address

Rust-through or corrosion in the original muffler body
Exhaust noise caused by a damaged internal muffler structure
Fitment issues when replacing a factory-style muffler on a Ford F-150
Loss of exhaust system integrity from a deteriorated welded assembly
Need for a direct-fit replacement with matching 2.5-inch connections

Installation Notes and Tips

Fits 2001-2003 Ford F-150, N/A. Fits 2004 Ford F-150 Heritage, N/A. Fits 2004 Ford F-150 Heritage, N/A, except Super Crew. If the original exhaust uses a welded assembly, replace all required parts during service to restore proper fit and sealing. Verify inlet and outlet orientation before installation, since this muffler is not reversible.

Quality Assurance

Walker builds this muffler with aluminized steel, mechanical interior joints, and spun-locked heads to support durability in exhaust service. The SoundFX Direct Fit design is intended to deliver a clean replacement appearance and consistent fit for the listed Ford F-150 applications.

This part fits 61 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
2004	Ford	F-150 Heritage	XLT	—	5.4L	V8	138.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XL	—	5.4L	V8	157.1"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XLT	—	4.6L	V8	138.8"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XL	—	4.6L	V8	120.2"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XLT	—	5.4L	V8	157.1"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XL	—	5.4L	V8	138.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XLT	—	4.6L	V8	120.2"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XLT	—	4.6L	V8	157.1"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XL	—	4.6L	V8	157.1"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XLT	—	5.4L	V8	120.2"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XL	—	4.6L	V8	138.8"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	F-150 Heritage	XL	—	5.4L	V8	120.2"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	—	4WD	5.4L	V8	—	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	XL	—	4.6L	V8	120.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	XLT	—	4.6L	V8	157.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	XL	—	4.6L	V8	157.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	Lariat	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	XL	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	XLT	—	4.6L	V8	120.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	XLT	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	King Ranch	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	Lariat	—	4.6L	V8	157.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	Lariat	RWD	5.4L	V8	139.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	XL	RWD	5.4L	V8	139.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	King Ranch	RWD	5.4L	V8	139.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	Lariat	RWD	5.4L	V8	157.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	XL	RWD	5.4L	V8	157.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	XLT	RWD	5.4L	V8	157.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Ford	F-150	XLT	RWD	5.4L	V8	139.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	—	4WD	5.4L	V8	—	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	XL	—	4.6L	V8	120.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	XLT	—	4.6L	V8	157.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	XL	—	4.6L	V8	157.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	Lariat	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	XL	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	XLT	—	4.6L	V8	120.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	XLT	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	King Ranch	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	Lariat	—	4.6L	V8	157.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	Lariat	RWD	5.4L	V8	139.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	XL	RWD	5.4L	V8	139.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	King Ranch	RWD	5.4L	V8	139.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	Lariat	RWD	5.4L	V8	157.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	XL	RWD	5.4L	V8	157.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	XLT	RWD	5.4L	V8	157.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Ford	F-150	XLT	RWD	5.4L	V8	139.0"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	—	4WD	5.4L	V8	—	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	XL	—	4.6L	V8	120.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	Lariat	—	4.6L	V8	120.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	XLT	—	4.6L	V8	157.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	XL	—	4.6L	V8	157.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	Lariat	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	XL	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	XLT	—	4.6L	V8	120.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	XLT	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	King Ranch	—	4.6L	V8	139.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	Lariat	—	4.6L	V8	157.0"	N/A	Except Super Crew; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	XLT	RWD	5.4L	V8	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	XL	RWD	5.4L	V8	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	Lariat	RWD	5.4L	V8	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Ford	F-150	King Ranch	RWD	5.4L	V8	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
No rows match your filter.

Directly replaces or cross-references 1 part number

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

AP Exhaust — 700297

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