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Walker 21759 Exhaust MufflerOE Quality 60-Day Returns
Part #: 21759

Walker 21759 Exhaust Muffler

Quiet-Flow SS
90 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Quiet-Flow SS
Fitment: Chevrolet and GMC, Express 1500, Express 2500, Express 3500, Savana 1500, Savana 2500, and Savana 3500
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Overview of Walker Quiet-Flow SS Exhaust Muffler 21759

The Walker Quiet-Flow SS exhaust muffler 21759 is designed to provide reliable exhaust flow and noise reduction for Chevrolet and GMC full-size vans. Engineered with durable stainless steel and an oval shape, this muffler suits various Express and Savana models, ensuring consistent performance and longevity.

  • Natural stainless steel finish for corrosion resistance
  • Oval body shape measuring 9.5 inches wide and 7.5 inches high
  • Overall length of 33.5 inches with a 25-inch body length
  • Single inlet and outlet, both 2.75 inches in diameter with offset configuration
  • Inlet features a 2 bolt welded flange; outlet uses pipe connection
  • Combination muffler type for balanced sound attenuation and exhaust flow

Product Line Details: Walker Quiet-Flow SS

The Quiet-Flow SS line by Walker focuses on stainless steel construction to enhance durability and resistance to corrosion compared to standard mufflers. This product line is tailored for applications requiring a balance of noise reduction and exhaust efficiency, making it suitable for heavy-duty vehicles like Chevrolet Express and GMC Savana vans. The 21759 muffler exemplifies these qualities with its robust materials and design.

Detailed Product Description

This Walker Quiet-Flow SS exhaust muffler 21759 features a natural stainless steel finish that helps prevent rust and extends service life. Its oval shape and combination muffler design optimize exhaust flow while reducing noise levels. The offset inlet and outlet configuration, both sized at 2.75 inches, allow for precise fitment and alignment with existing exhaust systems. The inlet flange uses a 2 bolt welded flange connection, ensuring a secure attachment, while the outlet employs a pipe connection for straightforward integration. With an overall length of 33.5 inches and a body width of 9.5 inches, this muffler fits neatly under the chassis of Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500 models.

Compatible Vehicles and Common Applications

  • Replacement muffler for Chevrolet Express 1500, 2500, 3500 vans
  • Replacement muffler for GMC Savana 1500, 2500, 3500 vans
  • Addresses exhaust noise issues such as excessive drone or rattling
  • Helps resolve exhaust leaks caused by rusted or damaged mufflers
  • Improves exhaust flow for vehicles experiencing reduced engine efficiency

Installation Notes and Tips

When installing the Walker Quiet-Flow SS muffler 21759, ensure the offset inlet and outlet align properly with the vehicle’s exhaust pipes. The 2 bolt welded flange inlet requires secure fastening to prevent leaks. Verify that the 2.75-inch pipe diameters match the existing exhaust system for a proper fit. It is recommended to inspect surrounding exhaust components for wear during installation to maintain overall system integrity.

Quality Assurance and Warranty

Walker manufactures the Quiet-Flow SS muffler 21759 with stainless steel materials to provide enhanced corrosion resistance and durability. While specific warranty details are not provided, Walker products typically meet industry standards for quality and performance, making this muffler a dependable choice for Chevrolet Express and GMC Savana vans.

BrandWalker
Part Number21759
PositionQuiet-Flow SS
FinishNatural
ShapeOval
Grade TypeRegular
Body Width9.5
Inlet Quantity1
Outlet Quantity1
Overall Length33.5
Body Height7.5
Body Length25
Body MaterialStainless steel
Inlet 1 Outside Diameter2.75
Inlet 1 Type2 bolt welded flange
Inlet ConfigurationOffset
Muffler TypeCombination
Outlet 1 Outside Diameter2.75
Outlet 1 TypePipe connection
Outlet ConfigurationOffset

This part fits 90 vehicles. Search below:

YearMakeModelLitersCylindersWheel BasePositionNotes
2020ChevroletExpress 35006.0LV8135.0"N/AQuiet-Flow SS
2020GMCSavana 35006.0LV8135.0"N/AQuiet-Flow SS
2019ChevroletExpress 35006.0LV8135.0"N/AQuiet-Flow SS
2019GMCSavana 35006.0LV8135.0"N/AQuiet-Flow SS
2018ChevroletExpress 35006.0LV8135.0"N/AQuiet-Flow SS
2018GMCSavana 35006.0LV8135.0"N/AQuiet-Flow SS
2017ChevroletExpress 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2017ChevroletExpress 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2017ChevroletExpress 35006.0LV8135.0"N/AQuiet-Flow SS
2017GMCSavana 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2017GMCSavana 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2017GMCSavana 35006.0LV8135.0"N/AQuiet-Flow SS
2016ChevroletExpress 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016ChevroletExpress 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016ChevroletExpress 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016ChevroletExpress 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016GMCSavana 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016GMCSavana 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016GMCSavana 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016GMCSavana 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015ChevroletExpress 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015ChevroletExpress 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015ChevroletExpress 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015ChevroletExpress 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015GMCSavana 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015GMCSavana 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015GMCSavana 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015GMCSavana 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletExpress 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletExpress 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletExpress 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletExpress 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletExpress 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletExpress 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014GMCSavana 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014GMCSavana 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014GMCSavana 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014GMCSavana 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014GMCSavana 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014GMCSavana 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletExpress 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletExpress 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletExpress 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletExpress 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletExpress 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletExpress 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013GMCSavana 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013GMCSavana 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013GMCSavana 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013GMCSavana 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013GMCSavana 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013GMCSavana 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012ChevroletExpress 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012ChevroletExpress 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012ChevroletExpress 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012ChevroletExpress 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012ChevroletExpress 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012ChevroletExpress 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012GMCSavana 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012GMCSavana 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012GMCSavana 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012GMCSavana 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012GMCSavana 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012GMCSavana 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011ChevroletExpress 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011ChevroletExpress 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011ChevroletExpress 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011ChevroletExpress 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011ChevroletExpress 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011ChevroletExpress 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011GMCSavana 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011GMCSavana 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011GMCSavana 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011GMCSavana 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011GMCSavana 35004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011GMCSavana 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010ChevroletExpress 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010ChevroletExpress 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010ChevroletExpress 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010ChevroletExpress 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010ChevroletExpress 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010GMCSavana 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010GMCSavana 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010GMCSavana 25004.8LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010GMCSavana 25006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010GMCSavana 35006.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009ChevroletExpress 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009ChevroletExpress 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009GMCSavana 15004.3LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009GMCSavana 15005.3LV8N/APremium; 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:

2650

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

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