Walker 21834 Exhaust Muffler - Left
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Walker
 Quiet-Flow SS

Walker 21834 Exhaust Muffler - Left

Brand Walker 21834
Position Left
Grade Type Regular
Body Width 15
Inlet Quantity 1
Outlet Quantity 1
Overall Length 22.5
Body Height 7.75
Body Length 22.75
Body Material Steel
Finish Aluminized
Inlet 1 Inside Diameter 2
Inlet 1 Type Pipe connection
Inlet Configuration Body side
Muffler Type Combination
Outlet 1 Outside Diameter 2.25
Outlet 1 Type Tip
Outlet Configuration Body side
Shape Irregular
Product line Quiet-Flow SS
Fits Buick and Chevrolet · 21 vehicles

OE-style replacement. Direct-fit muffler assembly for easier installation.

Stainless-steel construction. Helps deliver longer life than typical aluminized mufflers.

Quiet-Flow SS line. Walker’s muffler series for domestic and foreign vehicles.

Cross-references 20995713, 22931688 and 22931698 for the same application. See all 8.

$325.58Free shipping
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Order total $325.58
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Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 21834 is a direct-fit exhaust muffler assembly built for OE-style replacement on select Buick and Chevrolet applications. It combines stainless-steel construction with a fitment-specific design to support longer service life than typical aluminized mufflers.

For drivers searching for a replacement muffler for a 2011-2017 Buick Regal left side or a 2013-2015 Chevrolet Malibu left side, this part number 21834 provides a vehicle-specific solution. It also cross-references GM OE numbers 20995713 and 22931688 for the same application.

Key Features

  • Walker Quiet-Flow SS product line for OE-style exhaust replacement
  • Direct-fit muffler assembly for select domestic vehicles
  • Stainless-steel construction for improved corrosion resistance versus typical aluminized mufflers
  • Single inlet and single outlet layout
  • Body-side inlet and outlet configuration
  • Combination muffler design with irregular shape
  • 2 in. inlet inside diameter and 2.25 in. outlet outside diameter
  • Overall length: 22.5 in.; body length: 22.75 in.; body width: 15 in.; body height: 7.75 in.
  • Aluminized finish

Product Details

Walker Quiet-Flow SS 21834 is engineered as a direct replacement muffler assembly for vehicles that require an OE-style exhaust fit and routing. The Quiet-Flow SS line focuses on stainless-steel construction and application-specific fitment, making it a practical choice for restoring exhaust function on a 2011-2017 Buick Regal, 2013-2015 Chevrolet Malibu, or 2016 Chevrolet Malibu Limited in the listed positions. The body-side inlet and outlet configuration, along with the irregular combination muffler shape, supports factory-style packaging under the vehicle.

What This Muffler Helps Address

  • Exhaust noise from a worn or damaged muffler
  • Corrosion-related muffler deterioration
  • Fitment issues from a non-OE-style replacement part
  • Exhaust routing problems on left-side applications
  • Loss of proper exhaust tone and flow due to a failing assembly

Installation Notes

Confirm the vehicle’s exhaust layout, inlet size, outlet size, and side-specific position before installation. This part is listed for left-side and N/A applications depending on the vehicle and exhaust configuration. If the original unit is a welded assembly, replace all required related parts during service to maintain proper fit and alignment. Verify compatibility for the exact Buick Regal, Chevrolet Malibu, or Chevrolet Malibu Limited trim and exhaust setup before beginning work.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and OE-style replacement fitment to support longer service life than typical aluminized mufflers. Part number 21834 is backed by Walker’s Quiet-Flow SS product line engineering for domestic and foreign vehicle applications.

Related reading

This part fits 21 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2017BuickRegal—2.4LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016BuickRegal—2.4LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016ChevroletMalibu Limited—2.5LL4N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016ChevroletMalibu LimitedLT2.5LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2016ChevroletMalibu LimitedLS2.5LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015BuickRegal—2.4LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015ChevroletMalibu—2.5LL4N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015ChevroletMalibuLS2.5LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015ChevroletMalibuLT2.5LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014BuickRegal—2.4LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletMalibu—2.5LL4N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletMalibu—2.4LL4N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletMalibuLS2.5LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014ChevroletMalibuLT2.5LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013BuickRegal—2.4LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletMalibu—2.5LL4N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletMalibu—2.4LL4N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletMalibuLS2.5LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013ChevroletMalibuLT2.5LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2012BuickRegal—2.4LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011BuickRegal—2.4LL4LeftPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
2099571322931688229316982314914923333715233691882341208923415333