Walker
Quiet-Flow SS

Walker 21574 Exhaust Muffler - Right

Brand Walker 21574
Position Right
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 1.875
Body Width 9
Inlet Quantity 1
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 31.625
Body Height 7
Body Length 14
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 1.875
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 1.625
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Outside Diameter 2.25
Outlet 1 Type Tip
Outlet Configuration Offset
Outlet Outside Diameter 2.25
Outlet Type Tip
Product line Quiet-Flow SS
Fits Chevrolet · 1 vehicle

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

Precision fit. Helps deliver an OE-style installation and cleaner exhaust flow.

OE-style sound. Keeps the exhaust note refined without sacrificing flow.

Cross-references 15916871 for the same application. See all 1.

$112.13Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $112.13
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 2006 Monte Carlo

Walker Quiet-Flow SS muffler Part Number 21574 is a specific-fit exhaust muffler for the 2006 Chevrolet Monte Carlo, right side. It is built with stainless-steel body construction and an OE-style sound profile for drivers replacing a worn rear muffler on a Monte Carlo exhaust system.

Key Features

  • Specific-fit exhaust muffler for the 2006 Chevrolet Monte Carlo, right
  • Walker Quiet-Flow SS product line with precision fit and OE-style sound
  • 100% stainless-steel body construction for corrosion resistance
  • Oval muffler body with offset inlet and offset outlet layout
  • Single inlet and single outlet configuration
  • 1.875 in. inlet inside diameter and 2.25 in. outlet outside diameter
  • Overall length: 31.625 in.; body length: 14 in.; body width: 9 in.; body height: 7 in.

Product Details

Walker Quiet-Flow SS Part Number 21574 is engineered as a direct replacement exhaust muffler for the 2006 Chevrolet Monte Carlo, right position. The Quiet-Flow SS line focuses on fit accuracy, smooth exhaust flow, and a factory-like sound level, making it a practical choice for restoring a damaged or rusted muffler without changing the vehicle’s exhaust character. This muffler uses an oval combination design with pipe-connection inlet and tip-style outlet geometry to match the listed application.

This part cross-references GM OE 15916871 for the same application. For buyers searching for a 2006 Chevrolet Monte Carlo right muffler replacement, Walker 21574 provides a vehicle-specific solution with stainless-steel construction and OE-style acoustics.

Common Exhaust Issues It Can Address

  • Rust-through or corrosion in the rear muffler body
  • Exhaust noise caused by a leaking or damaged muffler
  • Reduced exhaust flow from an internally deteriorated muffler
  • Fitment problems from using a universal replacement on a Monte Carlo exhaust system
  • Restoration of factory-like exhaust tone on the right side

Installation Notes

Verify the vehicle is a 2006 Chevrolet Monte Carlo, right position, before ordering. Confirm inlet and outlet dimensions, offset layout, and overall muffler length against the existing exhaust assembly. If the original system uses welded components, inspect adjoining pipes and related exhaust parts before installation so the replacement muffler can be matched correctly to the remaining system.

Quality Assurance

Walker Quiet-Flow SS mufflers are part of a stainless-steel exhaust line built for precision fit and consistent OE-style sound. Part Number 21574 is designed for the listed Monte Carlo application and follows Walker’s Quiet-Flow SS construction standards for replacement exhaust service.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006ChevroletMonte Carlo3.9LV6RightPremium; 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.
15916871