Walker 21614 Exhaust Muffler
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Walker
 Quiet-Flow SS

Walker 21614 Exhaust Muffler

Brand Walker 21614
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2.625
Body Width 9
Inlet Quantity 1
Outlet Inside Diameter 2.625
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 32
Body Height 7
Body Length 28
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 2.625
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 1.625
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Inside Diameter 2.625
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Type Pipe connection
Product line Quiet-Flow SS
Fits Chevrolet and GMC · 45 vehicles

100% stainless steel. Quiet-Flow SS construction resists corrosion and delivers lasting durability.

Precision fit. Engineered for a specific fit with OE-style sound and superior flow.

Combination muffler. Oval design with pipe connections for a straightforward exhaust replacement.

Cross-references Anchor 2549 for the same application. See all 1.

$106.79Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $106.79
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Walker Quiet-Flow SS Muffler for GM SUVs

Walker Quiet-Flow SS muffler Part Number 21614 is a specific-fit exhaust muffler built with 100% stainless-steel construction for long-term corrosion resistance. It is engineered for OE-style sound, precise fitment, and steady exhaust flow on select Chevrolet and GMC full-size SUVs.

Key Features

  • Specific-fit exhaust muffler for select Chevrolet Tahoe, Chevrolet Suburban 1500, Chevrolet Avalanche, GMC Yukon, GMC Yukon XL 1500, and GMC Yukon XL applications
  • Oval combination muffler design with offset inlet and offset outlet
  • 2.625-inch inlet and 2.625-inch outlet pipe connections
  • Stainless-steel body construction with aluminized finish
  • Overall length: 32 inches; body length: 28 inches; body width: 9 inches; body height: 7 inches
  • Walker Quiet-Flow SS line focuses on OE-style sound and consistent exhaust routing

Detailed Description

Walker Quiet-Flow SS Part Number 21614 is a replacement exhaust muffler for drivers looking for a direct-fit solution on 2007-2020 GM SUV applications. It is listed for 2020 GMC Yukon XL, 2015-2019 GMC Yukon XL, 2007-2014 Chevrolet Suburban 1500, 2007-2014 Chevrolet Tahoe, 2007-2014 GMC Yukon, 2007-2014 GMC Yukon XL 1500, and 2007-2013 Chevrolet Avalanche. The oval, combination-style body uses offset inlet and outlet pipe connections to match the original exhaust layout on these vehicles.

The Quiet-Flow SS product line is Walkerโ€™s stainless-steel muffler family, built for precision fit and controlled exhaust tone. This part cross-references Anchor 2549 for the same application.

Common Exhaust Issues It Can Address

  • Rust-through or internal deterioration in the original muffler
  • Exhaust noise increase from a damaged or leaking muffler
  • Poor fitment after prior exhaust repairs on Tahoe, Yukon, Suburban 1500, or Avalanche models
  • Restricted exhaust flow caused by a worn or collapsed muffler core
  • Need for an OE-style replacement muffler with stainless-steel construction

Installation Notes and Tips

Verify inlet and outlet size, offset configuration, and overall length before installation. This muffler uses pipe connections and is not reversible or tunable. On welded exhaust assemblies, replace all required related parts to restore proper alignment and sealing. Confirm vehicle-specific fitment for the exact year and model before ordering.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with 100% stainless-steel construction and are positioned for precision fit, steady flow, and OE-style sound on domestic and import applications. Part Number 21614 is covered by the fitment notes shown for the listed GM vehicles, including premium applications with limited lifetime warranty coverage where noted in the fitment data.

Related reading

This part fits 45 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2020GMCYukon XL5.3LV8N/AQuiet-Flow SS
2019GMCYukon XL5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2018GMCYukon XL5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2017GMCYukon XL5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016GMCYukon XL5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015GMCYukon XL5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletSuburban 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletTahoe5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014GMCYukon5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014GMCYukon XL 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletAvalanche5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletSuburban 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletTahoe5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013GMCYukon5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013GMCYukon XL 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012ChevroletAvalanche5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012ChevroletSuburban 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012ChevroletTahoe5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012GMCYukon5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012GMCYukon XL 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011ChevroletAvalanche5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011ChevroletSuburban 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011ChevroletTahoe5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011GMCYukon5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011GMCYukon XL 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010ChevroletAvalanche5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010ChevroletSuburban 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010ChevroletTahoe5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010GMCYukon5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010GMCYukon XL 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009ChevroletAvalanche5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009ChevroletSuburban 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009ChevroletTahoe5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009GMCYukon5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009GMCYukon XL 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008ChevroletAvalanche5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008ChevroletSuburban 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008ChevroletTahoe5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008GMCYukon5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008GMCYukon XL 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007ChevroletAvalanche5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007ChevroletSuburban 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007ChevroletTahoe5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007GMCYukon5.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007GMCYukon XL 15005.3LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2549