Walker 18827 Exhaust Muffler

Brand	Walker 18827
Universal Or Specific Fit	Specific
Shape	Oval
Grade Type	Regular
Inlet Inside Diameter	2.25
Body Width	9.75
Inlet Quantity	1
Outlet Quantity	1
Reversible	No
Tunable	No
Overall Length	32.75
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	Offset
Inlet Offset	2.875
Inlet Type	Pipe connection
Muffler Type	Combination
Outlet 1 Outside Diameter	2.25
Outlet 1 Type	Tip
Outlet Configuration	Center
Outlet Outside Diameter	2.25
Outlet Type	Tip
Product line	SoundFX Direct Fit
Fits	Chevrolet, GMC, and Isuzu · 24 vehicles

Direct-fit replacement. Specific-fit muffler installs cleanly 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 a quality finish.

Cross-references AP Exhaust 700182 for the same application. See all 1.

$72.46Free shipping

In stock · usually ships same day before 1pm CST

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Walker SoundFX Direct Fit Muffler for S10, Sonoma, Hombre

Walker SoundFX Direct Fit muffler Part Number 18827 is a specific-fit exhaust muffler for select 1998-2000 Chevrolet S10, GMC Sonoma, and Isuzu Hombre applications. It is built with 100% aluminized steel for improved service life versus low-carbon steel and is shaped to deliver a clean OE-style appearance with controlled exhaust tone.

Key Features

Specific-fit exhaust muffler for direct replacement applications
Oval body design with a combination muffler configuration
2.25 in. inlet inside diameter and 2.25 in. outlet outside diameter
Offset inlet and center outlet layout
Aluminized steel body and finish for corrosion resistance
Mechanical interior joints and spun-locked heads for added durability
Walker SoundFX Direct Fit product line for OE-style exhaust service

Detailed Description

Walker 18827 is a direct-fit muffler engineered for 1998-2000 Chevrolet S10, 1998-2000 GMC Sonoma, and 1998-2000 Isuzu Hombre vehicles. The oval steel body measures 19 inches long, 9.75 inches wide, and 4.25 inches high, with an overall length of 32.75 inches. Its offset 2.25-inch inlet and center 2.25-inch outlet support a factory-style exhaust layout while the aluminized finish helps extend service life in everyday driving conditions.

The SoundFX Direct Fit line focuses on replacement mufflers that maintain a quality appearance and balanced acoustics. Part Number 18827 is a practical choice when replacing a worn or noisy muffler on a Chevrolet S10, GMC Sonoma, or Isuzu Hombre with the listed exhaust configuration. This part cross-references AP Exhaust 700182 for the same application.

What It Helps Address

Exhaust noise from a rusted or internally damaged muffler
Reduced exhaust system integrity caused by corrosion
Factory-style replacement needs for a direct-fit exhaust repair
Unwanted tone changes after muffler failure
Fitment-specific replacement for 1998-2000 Chevrolet S10, GMC Sonoma, and Isuzu Hombre

Installation Notes and Tips

Fits 1998-2000 Chevrolet S10, N/A; Fits 1998-2000 GMC Sonoma, N/A; Fits 1998-2000 Isuzu Hombre, N/A. If the vehicle uses a welded assembly, replace all required exhaust components for proper alignment and sealing. Verify inlet and outlet orientation, overall length, and body dimensions against the existing exhaust layout before installation. Part Number 18827 is a specific-fit muffler, so matching the original configuration is important for correct installation.

Quality Assurance

Walker SoundFX Direct Fit mufflers use aluminized steel construction, mechanical interior joints, and spun-locked heads to support durability in exhaust service. The product line is built for OE-style replacement performance and consistent fitment on the listed applications.

This part fits 24 vehicles

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

Year	Make	Model	Drive Type	Liters	Cylinders	Wheel Base	Position	Notes
2000	Chevrolet	S10	RWD	2.2L	L4	122.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2000	Chevrolet	S10	RWD	2.2L	L4	117.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2000	Chevrolet	S10	RWD	2.2L	L4	108.3"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2000	GMC	Sonoma	RWD	2.2L	L4	117.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2000	GMC	Sonoma	RWD	2.2L	L4	108.3"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2000	GMC	Sonoma	RWD	2.2L	L4	122.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2000	Isuzu	Hombre	—	2.2L	L4	122.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
2000	Isuzu	Hombre	—	2.2L	L4	108.3"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1999	Chevrolet	S10	RWD	2.2L	L4	122.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1999	Chevrolet	S10	RWD	2.2L	L4	117.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1999	Chevrolet	S10	RWD	2.2L	L4	108.3"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1999	GMC	Sonoma	RWD	2.2L	L4	117.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1999	GMC	Sonoma	RWD	2.2L	L4	108.3"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1999	GMC	Sonoma	RWD	2.2L	L4	122.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1999	Isuzu	Hombre	—	2.2L	L4	122.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1999	Isuzu	Hombre	—	2.2L	L4	108.3"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1998	Chevrolet	S10	RWD	2.2L	L4	122.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1998	Chevrolet	S10	RWD	2.2L	L4	117.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1998	Chevrolet	S10	RWD	2.2L	L4	108.3"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1998	GMC	Sonoma	RWD	2.2L	L4	117.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1998	GMC	Sonoma	RWD	2.2L	L4	108.3"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1998	GMC	Sonoma	RWD	2.2L	L4	122.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1998	Isuzu	Hombre	—	2.2L	L4	122.9"	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1998	Isuzu	Hombre	—	2.2L	L4	108.3"	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 — 700182