Walker
SoundFX Direct Fit

Walker 18218 Exhaust Muffler

Brand Walker 18218
Outlet Outside Diameter 3
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 3
Body Width 9
Inlet Quantity 1
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 33
Body Height 7
Body Length 27
Body Material Steel
Finish Aluminized
Inlet 1 Inside Diameter 3
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 1.625
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Outside Diameter 3
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Type Pipe connection
Product line SoundFX Direct Fit
Fits Chevrolet and GMC · 32 vehicles

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

Aluminized steel. Helps resist corrosion for longer service life.

Combination muffler. Delivers quality appearance with favorable acoustics.

Cross-references AP Exhaust 700149, TYC 700154 and TYC 700201 for the same application. See all 3.

$78.30Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $78.30
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker SoundFX Direct Fit Muffler for GM Suburban

Walker SoundFX Direct Fit muffler Part Number 18218 is a specific-fit exhaust muffler built for select 1992-1995 Chevrolet and GMC Suburban applications. It uses 100% aluminized steel for improved service life versus low-carbon steel and is shaped to deliver a clean OE-style appearance with controlled exhaust sound.

Key Features

  • Specific-fit exhaust muffler for select Chevrolet and GMC Suburban models
  • Oval muffler body with a 33-inch overall length
  • 3-inch inlet and 3-inch outlet with offset pipe connections
  • Aluminized steel body and finish for corrosion resistance
  • Mechanical interior joints and spun-locked heads for added durability
  • Combination muffler design for balanced exhaust flow and sound control
  • Walker SoundFX Direct Fit line focuses on OE-style fit and acoustics

Detailed Description

Walker 18218 is a direct-fit replacement muffler for 1992-1995 Chevrolet C1500 Suburban, C2500 Suburban, K1500 Suburban, and K2500 Suburban, as well as 1992-1995 GMC C1500 Suburban, C2500 Suburban, K1500 Suburban, and K2500 Suburban. Fitment varies by welded converter configuration, so the vehicle notes should be matched carefully before installation. This part cross-references AP Exhaust 700149 and TYC 700154 for the same application.

The SoundFX Direct Fit line is built for buyers who want a replacement muffler that follows the original exhaust layout while maintaining a controlled sound profile. The oval steel body measures 27 inches long, 9 inches wide, and 7 inches high, with a 1.625-inch inlet offset and pipe connection ends. For searches such as 1994 Chevrolet C1500 Suburban exhaust muffler replacement or 1992 GMC K1500 Suburban direct-fit muffler, Part Number 18218 matches the listed GM truck and SUV applications.

Common Problems This Part Can Address

  • Exhaust noise from a rusted or damaged muffler
  • Corrosion on an original steel muffler body
  • Fitment issues when replacing a factory-style Suburban muffler
  • Loss of exhaust sealing at the inlet or outlet connections
  • Reduced exhaust system integrity from worn welded-assembly components

Installation Notes and Tips

Confirm whether the vehicle has a welded converter assembly before ordering, since the fitment notes differ by configuration. Match the 3-inch inlet and outlet dimensions, offset layout, and overall length to the existing exhaust routing on the vehicle. Because this is a specific-fit muffler, installation should follow the original exhaust path for the listed Chevrolet and GMC Suburban models.

Quality Assurance

Walker SoundFX Direct Fit mufflers use aluminized steel construction, mechanical interior joints, and spun-locked heads to support durability in everyday exhaust service. The product line is engineered to provide a quality appearance and controlled acoustics for direct replacement use.

This part fits 32 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersWheel BasePositionNotes
1995ChevroletC1500 Suburban5.7LV8131.5"N/Awith Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1995ChevroletC2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1995ChevroletK1500 Suburban5.7LV8131.5"N/Awith Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1995ChevroletK2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1995GMCC1500 Suburban5.7LV8131.5"N/Awith Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1995GMCC2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1995GMCK1500 Suburban5.7LV8131.5"N/Awith Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1995GMCK2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1994ChevroletC1500 Suburban5.7LV8131.5"N/Awith Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1994ChevroletC2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1994ChevroletK1500 Suburban5.7LV8131.5"N/Awith Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1994ChevroletK2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1994GMCC1500 Suburban5.7LV8131.5"N/Awith Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1994GMCC2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1994GMCK1500 Suburban5.7LV8131.5"N/Awith Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1994GMCK2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1993ChevroletC1500 Suburban5.7LV8131.5"N/Awithout Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1993ChevroletC2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1993ChevroletK1500 Suburban5.7LV8131.5"N/Awithout Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1993ChevroletK2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1993GMCC1500 Suburban5.7LV8131.5"N/Awithout Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1993GMCC2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1993GMCK1500 Suburban5.7LV8131.5"N/Awithout Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1993GMCK2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1992ChevroletC1500 Suburban5.7LV8131.5"N/Awithout Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1992ChevroletC2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1992ChevroletK1500 Suburban5.7LV8131.5"N/Awithout Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1992ChevroletK2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1992GMCC1500 Suburban5.7LV8131.5"N/Awithout Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1992GMCC2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1992GMCK1500 Suburban5.7LV8131.5"N/Awithout Welded Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1992GMCK2500 Suburban5.7LV8131.5"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 700149TYC — 700154TYC — 700201