Walker 18951 Exhaust Muffler

Brand	Walker 18951
Universal Or Specific Fit	Specific
Shape	Oval
Grade Type	Regular
Inlet Inside Diameter	2
Body Width	9
Inlet Quantity	1
Outlet Inside Diameter	2
Outlet Quantity	1
Reversible	No
Tunable	No
Overall Length	22.5
Body Height	7
Body Length	19
Body Material	Steel
Finish	Aluminized
Inlet 1 Inside Diameter	2
Inlet 1 Type	Pipe connection
Inlet Configuration	Offset
Inlet Offset	2.625
Inlet Type	Pipe connection
Muffler Type	Combination
Outlet 1 Inside Diameter	2
Outlet 1 Type	Pipe connection
Outlet Configuration	Offset
Outlet Type	Pipe connection
Product line	SoundFX Direct Fit
Fits	Ford and Mazda · 36 vehicles

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

Aluminized steel. Helps resist corrosion for longer service life.

Oval combination muffler. Delivers quality appearance and favorable acoustics.

Cross-references AP Exhaust 700422 and AP Exhaust 700467 for the same application. See all 2.

$72.49Free shipping

In stock · usually ships same day before 1pm CST

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Walker SoundFX Direct Fit Muffler for Ranger and Mazda Trucks

Walker SoundFX Direct Fit muffler Part Number 18951 is a specific-fit exhaust muffler for select Ford Ranger and Mazda B-Series applications. It combines an oval steel body with aluminized finish and direct-fit pipe connections for a clean replacement on supported vehicles.

Key Features

Specific-fit exhaust muffler for select Ford Ranger and Mazda B2300, B3000, and B4000 applications
Oval combination muffler design with 2-inch inlet and 2-inch outlet
Aluminized steel construction for longer service life than low-carbon steel
Mechanical interior joints and spun-locked heads for added durability
Offset inlet and offset outlet configuration for direct-fit replacement use
Walker SoundFX Direct Fit line focuses on quality appearance and controlled exhaust acoustics

Product Details

Walker 18951 is built for drivers replacing a worn or damaged muffler on a 2004-2011 Ford Ranger, 2005-2009 Mazda B2300, 2004-2009 Mazda B4000, or 2004-2007 Mazda B3000. The SoundFX Direct Fit product line is engineered as a direct replacement solution, with pipe connection inlet and outlet ends, a 22.5-inch overall length, and a 19-inch body length to match supported exhaust layouts. This part cross-references AP Exhaust 700422 and 700467 for the same application.

Common Problems This Muffler Addresses

Exhaust noise from a rusted or internally damaged muffler
Corrosion-related failure on an original muffler body
Fitment issues when replacing a welded factory muffler assembly
Loss of proper exhaust tone after muffler deterioration
Replacement needs on Ford Ranger and Mazda B-Series exhaust systems

Installation Notes and Tips

Compatible With 2004-2011 Ford Ranger, 2005-2009 Mazda B2300, 2004-2009 Mazda B4000, and 2004-2007 Mazda B3000. If the vehicle uses a welded assembly, replace all required exhaust components for proper installation. Verify inlet and outlet orientation, offset dimensions, and pipe diameter before installation to confirm alignment with the existing exhaust system. Walker 18951 is a direct-fit muffler, so matching the original configuration is important for correct placement.

Quality Assurance

Walker uses 100% aluminized steel in this SoundFX Direct Fit muffler to improve service life compared with low-carbon steel. Mechanical interior joints and spun-locked heads add structural durability for everyday exhaust service.

This part fits 36 vehicles

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

Year	Make	Model	Liters	Cylinders	Wheel Base	Position	Notes
2011	Ford	Ranger	2.3L	L4	111.6"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2011	Ford	Ranger	4.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2010	Ford	Ranger	2.3L	L4	111.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2010	Ford	Ranger	4.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2009	Ford	Ranger	2.3L	L4	111.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2009	Ford	Ranger	4.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2009	Mazda	B2300	2.3L	L4	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2009	Mazda	B4000	4.0L	V6	125.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	Ranger	2.3L	L4	111.6"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	Ranger	3.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Ford	Ranger	4.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Mazda	B2300	2.3L	L4	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2008	Mazda	B4000	4.0L	V6	125.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	Ranger	2.3L	L4	111.6"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	Ranger	3.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Ford	Ranger	4.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Mazda	B2300	2.3L	L4	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Mazda	B3000	3.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2007	Mazda	B4000	4.0L	V6	125.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	Ranger	2.3L	L4	111.6"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	Ranger	3.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Ford	Ranger	4.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Mazda	B2300	2.3L	L4	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Mazda	B3000	3.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2006	Mazda	B4000	4.0L	V6	125.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	Ranger	2.3L	L4	111.5"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	Ranger	3.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Ford	Ranger	4.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Mazda	B2300	2.3L	L4	111.6"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Mazda	B3000	3.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Mazda	B4000	4.0L	V6	125.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	Ranger	2.3L	L4	111.6"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	Ranger	3.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Ford	Ranger	4.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Mazda	B3000	3.0L	V6	—	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Mazda	B4000	4.0L	V6	125.9"	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.

AP Exhaust — 700422AP Exhaust — 700467

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