Walker
Quiet-Flow SS

Walker 21341 Exhaust Muffler

Brand Walker 21341
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2
Body Width 11
Inlet Quantity 1
Reversible No
Tunable No
Overall Length 28.325
Body Height 5.5
Body Length 15
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 2
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 3.5
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Outside Diameter 2.25
Outlet 1 Type Tip
Outlet 2 Outside Diameter 2.25
Outlet Configuration Center
Outlet Outside Diameter 2.25
Outlet Quantity 2
Outlet Type Tip
Product line Quiet-Flow SS
Fits Buick · 10 vehicles

100% stainless steel. Built for lasting corrosion resistance and dependable exhaust performance.

Precision fit. Engineered for a straightforward, OE-style replacement.

OE-style sound. Delivers a familiar exhaust note with superior flow.

Cross-references Anchor 2262 for the same application. See all 1.

$132.12Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
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Step 2 — Quantity
Order total $132.12
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Quiet-Flow SS Muffler for Regal

Walker Quiet-Flow SS muffler Part Number 21341 is a direct-fit exhaust muffler built for specific applications, including 1997-2004 Buick Regal. It uses 100% stainless-steel construction for the body and is shaped as an oval combination muffler with OE-style sound characteristics and precision fit.

Key Features

  • Specific-fit exhaust muffler for confirmed Buick Regal applications
  • 100% stainless-steel body construction for corrosion resistance
  • Oval body shape with a combination muffler design
  • Offset 2-inch inlet with dual 2.25-inch center outlets
  • Aluminized finish
  • Walker Quiet-Flow SS product line focused on fit, flow, and OE-style sound
  • Part Number 21341

Product Details

This Walker Quiet-Flow SS muffler is engineered for 1997-2004 Buick Regal models and is built around a specific-fit layout for easier exhaust replacement. The muffler measures 28.325 inches overall, with an 11-inch body width, 5.5-inch body height, and 15-inch body length. It uses a 2-inch inlet inside diameter with an offset inlet configuration and dual 2.25-inch center outlets. The stainless-steel body construction supports long-term durability, while the Quiet-Flow SS line is positioned for controlled exhaust tone and steady exhaust flow. Part Number 21341 is a practical choice when replacing a worn or damaged Regal muffler with an OE-style replacement.

Walker Quiet-Flow SS is Walker’s stainless-steel muffler line for domestic and import vehicles. For buyers searching for a 1997 Buick Regal exhaust muffler, 2004 Buick Regal muffler replacement, or Walker 21341 direct-fit muffler, this part matches those application needs with a specific-fit design.

What It Helps Address

  • Exhaust noise from a worn muffler
  • Rust or corrosion in the muffler body
  • Restricted exhaust flow from internal deterioration
  • Fitment issues when replacing an original Regal muffler
  • Loss of OE-style exhaust tone

Installation Notes and Tips

Confirm the vehicle’s exhaust layout before installation, especially the offset 2-inch inlet and dual 2.25-inch center outlet configuration. This muffler is not reversible and is not tunable. If the exhaust assembly is welded, replace all required related parts during service to maintain proper alignment and sealing. Verify clearance around the oval body dimensions before final installation on 1997-2004 Buick Regal applications.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with 100% stainless-steel construction and are designed for precision fit and OE-style sound. This part cross-references Anchor 2262 for the same application.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersNotes
2004BuickRegalLS3.8LV6Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004BuickRegalGS3.8LV6Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003BuickRegalLS3.8LV6Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003BuickRegalGS3.8LV6Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002BuickRegal3.8LV6Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001BuickRegal3.8LV6Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000BuickRegal3.8LV6Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1999BuickRegal3.8LV6Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1998BuickRegal3.8LV6Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1997BuickRegal3.8LV6Premium; 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 — 2262