Walker 18387 Exhaust Muffler - Front

Name: Walker 18387 Exhaust Muffler - Front
Brand: Walker
SKU: BDCN-18387
Price: 65.84 USD
Availability: InStock

SoundFX Direct Fit, Front

⚙️ 83 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

📦SoundFX Direct Fit, Front

🚗Fitment: Buick, Cadillac, Jeep, and Oldsmobile, Cherokee, Comanche, Eldorado, Riviera, Seville, Toronado, and Wagoneer

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Overview of Walker SoundFX Direct Fit Exhaust Muffler 18387

The Walker SoundFX Direct Fit Exhaust Muffler 18387 is designed specifically for select Buick, Cadillac, Jeep, and Oldsmobile models. This oval-shaped muffler offers a precise fit and reliable performance for vehicles like the Jeep Cherokee, Cadillac Eldorado, and Buick Riviera.

Specific fit for Buick, Cadillac, Jeep, and Oldsmobile models
Oval body shape with aluminized steel construction
Inlet and outlet pipe connections with 2.25-inch inside diameter
Overall length of 23 inches and body length of 19 inches
Offset outlet configuration for optimized exhaust flow

Product Features and Specifications

The Walker 18387 muffler features a combination muffler type with a center inlet and offset outlet configuration. Its body is made from aluminized steel, providing corrosion resistance and durability under typical driving conditions. The muffler has a regular grade type and is not reversible or tunable, ensuring a straightforward replacement part. The inlet and outlet both have a 2.25-inch inside diameter pipe connection, suitable for direct fit applications.

Walker SoundFX Direct Fit Product Line

The SoundFX Direct Fit line by Walker focuses on providing vehicle-specific exhaust mufflers engineered for direct replacement without modification. This product line emphasizes precise fitment and sound control tailored to the original equipment specifications. The 18387 muffler is part of this line, ensuring compatibility with the exhaust systems of Buick, Cadillac, Jeep, and Oldsmobile vehicles listed in the fitment.

Applications and Problem Solving

Replacement for worn or damaged mufflers on Jeep Cherokee and Comanche models
Restores proper exhaust flow and reduces noise in Cadillac Eldorado and Seville
Prevents exhaust leaks and improves emissions control on Buick Riviera and Toronado
Maintains factory exhaust system performance on Oldsmobile Wagoneer
Addresses corrosion or rust issues common in steel mufflers over time

Installation Notes and Tips

This muffler is designed for specific fitment and direct pipe connection installation. Ensure the inlet and outlet diameters match the vehicle’s exhaust piping (2.25 inches). The muffler is not reversible or tunable, so proper orientation with the center inlet and offset outlet is necessary. Professional installation is recommended to maintain exhaust system integrity and avoid leaks.

Quality Assurance and Warranty

Constructed from aluminized steel, the Walker 18387 muffler offers durability against corrosion and heat. While specific warranty details are not provided, Walker products typically meet industry standards for quality and fitment. Using a direct fit muffler like the SoundFX Direct Fit 18387 helps ensure reliable exhaust system performance for compatible Buick, Cadillac, Jeep, and Oldsmobile vehicles.

Brand	Walker
Part Number	18387
Position	SoundFX Direct Fit, Front
Universal Or Specific Fit	Specific
Shape	Oval
Grade Type	Regular
Inlet Inside Diameter	2.25
Body Width	9.75
Inlet Quantity	1
Outlet Inside Diameter	2.25
Outlet Quantity	1
Reversible	No
Tunable	No
Overall Length	23
Body Height	4.25
Body Length	19
Body Material	Steel
Finish	Aluminized
Inlet 1 Inside Diameter	2.25
Inlet 1 Type	Pipe connection
Inlet Configuration	Center
Inlet Type	Pipe connection
Muffler Type	Combination
Outlet 1 Inside Diameter	2.25
Outlet 1 Type	Pipe connection
Outlet Configuration	Offset
Outlet Type	Pipe connection

This part fits 83 vehicles. Search below:

Year	Make	Model	Submodel	Liters	Cylinders	Fuel Type	Position	Notes
1989	Jeep	Cherokee	Sport	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1989	Jeep	Cherokee	Laredo	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1989	Jeep	Cherokee	Base	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1989	Jeep	Cherokee	Pioneer	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1989	Jeep	Comanche		4.0L	L6		N/A	with Catalytic Converter; SoundFX Direct Fit
1988	Jeep	Cherokee	Laredo	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1988	Jeep	Cherokee	Base	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1988	Jeep	Cherokee	Chief	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1988	Jeep	Cherokee	Pioneer	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1988	Jeep	Comanche		4.0L	L6		N/A	with Catalytic Converter; SoundFX Direct Fit
1987	Jeep	Cherokee	Laredo	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1987	Jeep	Cherokee	Base	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1987	Jeep	Cherokee	Chief	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1987	Jeep	Cherokee	Pioneer	2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1987	Jeep	Comanche		4.0L	L6		N/A	with Catalytic Converter; SoundFX Direct Fit
1987	Jeep	Wagoneer		2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1986	Jeep	Cherokee		2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1986	Jeep	Wagoneer		2.5L	L4		N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1985	Buick	Riviera		5.0L	V8		Front	SoundFX Direct Fit
1985	Buick	Riviera		5.7L	V8		N/A	SoundFX Direct Fit
1985	Buick	Riviera		3.8L	V6		Front	SoundFX Direct Fit
1985	Cadillac	Eldorado	Cabriolet	5.7L	V8		Front	SoundFX Direct Fit
1985	Cadillac	Eldorado	Base	5.7L	V8		Front	SoundFX Direct Fit
1985	Cadillac	Eldorado	Touring	5.7L	V8		Front	SoundFX Direct Fit
1985	Cadillac	Seville		5.7L	V8		N/A	SoundFX Direct Fit
1985	Oldsmobile	Toronado		5.0L	V8		N/A	SoundFX Direct Fit
1985	Oldsmobile	Toronado		5.7L	V8		N/A	SoundFX Direct Fit
1984	Buick	Riviera		5.0L	V8		Front	SoundFX Direct Fit
1984	Buick	Riviera		5.7L	V8		N/A	SoundFX Direct Fit
1984	Buick	Riviera		3.8L	V6		Front	SoundFX Direct Fit
1984	Buick	Riviera	Base	4.1L	V6		Front	SoundFX Direct Fit
1984	Buick	Riviera	Luxury	4.1L	V6		Front	SoundFX Direct Fit
1984	Cadillac	Eldorado	Cabriolet	5.7L	V8		Front	SoundFX Direct Fit
1984	Cadillac	Eldorado	Base	5.7L	V8		Front	SoundFX Direct Fit
1984	Cadillac	Eldorado	Touring	5.7L	V8		Front	SoundFX Direct Fit
1984	Cadillac	Seville		5.7L	V8		N/A	SoundFX Direct Fit
1984	Oldsmobile	Toronado		5.0L	V8		N/A	SoundFX Direct Fit
1984	Oldsmobile	Toronado		5.7L	V8		N/A	SoundFX Direct Fit
1984	Oldsmobile	Toronado		4.1L	V6		N/A	SoundFX Direct Fit
1983	Buick	Riviera		5.7L	V8		N/A	SoundFX Direct Fit
1983	Buick	Riviera		3.8L	V6		Front	SoundFX Direct Fit
1983	Buick	Riviera	Base	5.0L	V8		Front	SoundFX Direct Fit
1983	Buick	Riviera	Base	4.1L	V6		Front	SoundFX Direct Fit
1983	Buick	Riviera	XX Anniversary Edition	5.0L	V8		Front	SoundFX Direct Fit
1983	Buick	Riviera	Luxury	4.1L	V6		Front	SoundFX Direct Fit
1983	Buick	Riviera	Luxury	5.0L	V8		Front	SoundFX Direct Fit
1983	Buick	Riviera	XX Anniversary Edition	4.1L	V6		Front	SoundFX Direct Fit
1983	Cadillac	Eldorado		5.7L	V8		Front	SoundFX Direct Fit
1983	Cadillac	Seville		5.7L	V8		N/A	SoundFX Direct Fit
1983	Oldsmobile	Toronado		5.0L	V8		N/A	SoundFX Direct Fit
1983	Oldsmobile	Toronado		5.7L	V8		N/A	SoundFX Direct Fit
1983	Oldsmobile	Toronado		4.1L	V6		N/A	SoundFX Direct Fit
1982	Buick	Riviera		5.7L	V8		N/A	SoundFX Direct Fit
1982	Buick	Riviera		3.8L	V6		Front	SoundFX Direct Fit
1982	Buick	Riviera	Base	5.0L	V8		Front	SoundFX Direct Fit
1982	Buick	Riviera	Base	4.1L	V6		Front	SoundFX Direct Fit
1982	Buick	Riviera	Limited Edition	5.0L	V8		Front	SoundFX Direct Fit
1982	Buick	Riviera	Limited Edition	4.1L	V6		Front	SoundFX Direct Fit
1982	Cadillac	Eldorado		4.1L	V6		Front	SoundFX Direct Fit
1982	Cadillac	Eldorado		5.7L	V8		Front	SoundFX Direct Fit
1982	Cadillac	Seville		5.7L	V8		N/A	SoundFX Direct Fit
1982	Cadillac	Seville		4.1L	V6		N/A	SoundFX Direct Fit
1982	Oldsmobile	Toronado		5.0L	V8		N/A	SoundFX Direct Fit
1982	Oldsmobile	Toronado		5.7L	V8		N/A	SoundFX Direct Fit
1982	Oldsmobile	Toronado		4.1L	V6		N/A	SoundFX Direct Fit
1981	Buick	Riviera		3.8L	V6		Front	SoundFX Direct Fit
1981	Buick	Riviera		5.0L	V8		Front	SoundFX Direct Fit
1981	Buick	Riviera		5.7L	V8		Front	without California Emission System; SoundFX Direct Fit
1981	Buick	Riviera		4.1L	V6		Front	SoundFX Direct Fit
1981	Cadillac	Eldorado		5.7L	V8		Front	without California Emission System; SoundFX Direct Fit
1981	Cadillac	Eldorado		4.1L	V6		Front	SoundFX Direct Fit
1981	Cadillac	Seville		5.7L	V8		N/A	without California Emission System; SoundFX Direct Fit
1981	Cadillac	Seville		4.1L	V6		N/A	SoundFX Direct Fit
1981	Oldsmobile	Toronado		5.0L	V8		N/A	SoundFX Direct Fit
1981	Oldsmobile	Toronado		5.7L	V8		N/A	without California Emission System; SoundFX Direct Fit
1981	Oldsmobile	Toronado	Brougham	4.1L	V6		N/A	SoundFX Direct Fit
1980	Buick	Riviera		5.7L	V8	GAS	Front	SoundFX Direct Fit
1980	Buick	Riviera		3.8L	V6		Front	SoundFX Direct Fit
1980	Oldsmobile	Toronado		5.7L	V8	GAS	N/A	SoundFX Direct Fit
1980	Oldsmobile	Toronado		5.0L	V8	GAS	N/A	SoundFX Direct Fit
1979	Buick	Riviera		3.8L	V6		Front	SoundFX Direct Fit
1979	Buick	Riviera		5.7L	V8		Front	SoundFX Direct Fit
1979	Oldsmobile	Toronado		5.7L	V8	GAS	N/A	SoundFX Direct Fit

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

This part directly replaces or is cross-referenced with the following part numbers:

303230346541700045

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