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Walker 22678 Exhaust MufflerOE Quality 60-Day Returns
Part #: 22678

Walker 22678 Exhaust Muffler

Quiet-Flow SS
64 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Quiet-Flow SS
Fitment: Chevrolet, G10, G20, and G30
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Overview of Walker Quiet-Flow SS Exhaust Muffler 22678

The Walker Quiet-Flow SS Exhaust Muffler 22678 is designed specifically for Chevrolet G10, G20, and G30 models. Engineered with a stainless steel body and aluminized finish, this muffler offers durability and corrosion resistance for reliable exhaust performance.

  • Specific fit for Chevrolet G10, G20, and G30 vans
  • Oval-shaped muffler body measuring 24 inches in length and 9 inches in width
  • Stainless steel construction with aluminized finish for enhanced corrosion resistance
  • Single inlet and outlet with 3-inch inlet inside diameter and 2.75-inch outlet outside diameter
  • Offset inlet and outlet pipe connections for precise fitment
  • Overall length of 29.5 inches with a body height of 7 inches
  • Combination muffler type designed for balanced sound and performance

Detailed Product Description

The Walker Quiet-Flow SS 22678 exhaust muffler is a specific fit part tailored for Chevrolet G10, G20, and G30 vans. Its oval shape and combination muffler design help reduce exhaust noise while maintaining efficient flow. Constructed from stainless steel, the muffler body resists rust and corrosion, extending the service life of the exhaust system. The aluminized finish adds an extra layer of protection against environmental elements. The muffler features a single inlet and outlet, both with pipe connection types, and offset configurations to match the original equipment specifications. With an inlet inside diameter of 3 inches and an outlet outside diameter of 2.75 inches, this muffler ensures proper exhaust flow and fitment.

About the Quiet-Flow SS Product Line

The Quiet-Flow SS line by Walker focuses on providing durable stainless steel mufflers with sound-dampening properties. This product line combines corrosion-resistant materials with precise engineering to meet specific vehicle fitments. The 22678 muffler exemplifies the Quiet-Flow SS commitment to quality and fit, designed to replace factory mufflers on Chevrolet vans with minimal modification.

Applications and Problem Solving

  • Replaces worn or damaged mufflers on Chevrolet G10, G20, and G30 vans
  • Reduces excessive exhaust noise and vibration
  • Prevents rust and corrosion-related exhaust leaks
  • Restores proper exhaust flow for engine efficiency
  • Maintains factory exhaust system fit and alignment

Installation Notes and Tips

This muffler is designed for specific fitment on Chevrolet G10, G20, and G30 models and features offset inlet and outlet pipe connections. Ensure measurements match your vehicle’s exhaust system before installation. The muffler is not reversible or tunable, so correct orientation is necessary. Professional installation is recommended to maintain exhaust integrity and performance.

Quality Assurance

Walker manufactures the Quiet-Flow SS 22678 muffler with stainless steel materials and an aluminized finish to ensure durability and resistance to corrosion. While no specific warranty information is provided, Walker products typically meet industry standards for quality and fitment.

BrandWalker
Part Number22678
PositionQuiet-Flow SS
Universal Or Specific FitSpecific
ShapeOval
Grade TypeRegular
Inlet Inside Diameter3
Body Width9
Inlet Quantity1
Outlet Quantity1
ReversibleNo
TunableNo
Overall Length29.5
Body Height7
Body Length24
Body MaterialStainless steel
FinishAluminized
Inlet 1 Inside Diameter3
Inlet 1 TypePipe connection
Inlet ConfigurationOffset
Inlet Offset2.625
Inlet TypePipe connection
Muffler TypeCombination
Outlet 1 Outside Diameter2.75
Outlet 1 TypePipe connection
Outlet ConfigurationOffset
Outlet Outside Diameter2.75
Outlet TypePipe connection

This part fits 64 vehicles. Search below:

YearMakeModelLitersCylindersWheel BasePositionNotes
1996ChevroletG304.3LV6125.0"N/AOver 8500 (lb) GVW; Premium; with Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1996ChevroletG304.3LV6125.0"N/AOver 8500 (lb) GVW; Premium; with School Bus Package; Limited Lifetime Warranty; Quiet-Flow SS
1996ChevroletG305.7LV8146.0"N/AOver 8500 (lb) GVW; Premium; Except Cutaway Chassis; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1996ChevroletG305.7LV8125.0"N/AOver 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1996GMCG35005.7LV8146.0"N/AOver 8500 (lb) GVW; Premium; Except Cutaway Chassis; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1996GMCG35005.7LV8125.0"N/AOver 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG104.3LV6110.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG105.0LV8110.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG105.0LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG104.3LV6125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG204.3LV6110.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG205.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG205.0LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG205.0LV8110.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG204.3LV6125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG205.7LV8110.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG305.7LV8146.0"N/AOver 8500 (lb) GVW; Premium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG305.7LV8125.0"N/APremium; with 8,500 (lb) Gross Vehicle Weight (GVW) & Under; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG305.7LV8125.0"N/AOver 8500 (lb) GVW; Premium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG304.3LV6125.0"N/APremium; with 8,500 (lb) Gross Vehicle Weight (GVW) & Under; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995ChevroletG304.3LV6125.0"N/AOver 8500 (lb) GVW; Premium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG15004.3LV6110.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG15005.0LV8110.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG15005.0LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG15004.3LV6125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG25005.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG25005.0LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG25004.3LV6125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG25004.3LV6110.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG25005.0LV8110.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG25005.7LV8110.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG35004.3LV6125.0"N/AOver 8500 (lb) GVW; Premium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG35005.7LV8125.0"N/AOver 8500 (lb) GVW; Premium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG35005.7LV8125.0"N/APremium; with 8,500 (lb) Gross Vehicle Weight (GVW) & Under; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG35005.7LV8146.0"N/AOver 8500 (lb) GVW; Premium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1995GMCG35004.3LV6125.0"N/APremium; with 8,500 (lb) Gross Vehicle Weight (GVW) & Under; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1994ChevroletG205.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1994ChevroletG305.7LV8125.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1994ChevroletG305.7LV8146.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1994ChevroletG304.3LV6125.0"N/AOver 8500 (lb) GVW; Premium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1994GMCG25005.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1994GMCG35005.7LV8125.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1994GMCG35004.3LV6125.0"N/AOver 8500 (lb) GVW; Premium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1994GMCG35005.7LV8146.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1993ChevroletG105.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1993ChevroletG205.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1993ChevroletG304.3LV6125.0"N/AOver 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1993ChevroletG305.7LV8125.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1993ChevroletG305.7LV8146.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1993GMCG15005.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1993GMCG25005.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1993GMCG35005.7LV8125.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1993GMCG35004.3LV6125.0"N/AOver 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1993GMCG35005.7LV8146.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1992ChevroletG105.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1992ChevroletG205.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1992ChevroletG304.3LV6125.0"N/AOver 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1992ChevroletG305.7LV8125.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1992ChevroletG305.7LV8146.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1992GMCG15005.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1992GMCG25005.7LV8125.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1992GMCG35005.7LV8125.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1992GMCG35004.3LV6125.0"N/AOver 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1992GMCG35005.7LV8146.0"N/APremium; with Single Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS

* 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:

21783598

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

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