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Walker 18221 Exhaust MufflerOE Quality 60-Day Returns
Part #: 18221

Walker 18221 Exhaust Muffler

SoundFX Direct Fit
⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦SoundFX Direct Fit
🚗Fitment: Chevrolet and GMC, S10 and Sonoma
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Walker 18221 Exhaust Muffler
BrandWalker
Part Number18221
PositionSoundFX Direct Fit
Universal Or Specific FitSpecific
ShapeOval
Grade TypeRegular
Inlet Inside Diameter2.5
Body Width9.75
Inlet Quantity1
Outlet Quantity1
ReversibleNo
TunableNo
Overall Length35
Body Height4.25
Body Length21
Body MaterialSteel
FinishAluminized
Inlet 1 Inside Diameter2.5
Inlet 1 TypePipe connection
Inlet ConfigurationOffset
Inlet Offset2.875
Inlet TypePipe connection
Muffler TypeCombination
Outlet 1 Outside Diameter2.25
Outlet 1 TypePipe connection
Outlet ConfigurationCenter
Outlet Outside Diameter2.25
Outlet TypePipe connection

This part fits 14 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersWheel BasePositionNotes
1994ChevroletS10RWD4.3LV6108.4"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1994GMCSonomaRWD4.3LV6108.4"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1993ChevroletS104WD4.3LV6N/Awithout Syclone Or HD Off Road Package; If welded assembly, replace all required parts; SoundFX Direct Fit
1993ChevroletS10RWD2.8LV6108.4"N/Awithout High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1993ChevroletS10RWD4.3LV6108.4"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1993GMCSonoma4WD4.3LV6N/Awithout Syclone Or HD Off Road Package; If welded assembly, replace all required parts; SoundFX Direct Fit
1993GMCSonomaRWD4.3LV6108.4"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1993GMCSonomaRWD2.8LV6108.4"N/Awithout High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1992ChevroletS104WD4.3LV6N/Awithout Syclone Or HD Off Road Package; If welded assembly, replace all required parts; SoundFX Direct Fit
1992ChevroletS10RWD2.8LV6108.4"N/Awithout High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1992ChevroletS10RWD4.3LV6108.4"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1992GMCSonoma4WD4.3LV6N/Awithout Syclone Or HD Off Road Package; If welded assembly, replace all required parts; SoundFX Direct Fit
1992GMCSonomaRWD4.3LV6108.4"N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1992GMCSonomaRWD2.8LV6108.4"N/Awithout High Output; If welded assembly, replace all required parts; 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:

700020

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

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