Walker
Quiet-Flow SS

Walker 21233 Exhaust Muffler

Brand Walker 21233
Outlet Outside Diameter 2.500
Clamps Included No
Outlet Location Offset
Universal Or Specific Fit Specific
Shape Oval
Grade Type Premium
Inlet Type Pipe connection
Outlet Type 2 bolt welded flange
Inlet Inside Diameter 2.500
Body Height 5.500
Body Length 29.000
Body Width 11.000
Hanger Included Yes
Inlet Location Center
Inlet Quantity 1
Body Material Stainless steel
Outlet Quantity 1
Reversible No
Overall Length 38.930
Inlet Offset No
Outlet Offset Yes
Product line Quiet-Flow SS
Fits Hyundai · 6 vehicles

100% stainless steel. Resists corrosion for long-lasting exhaust performance.

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

Oval muffler design. Delivers superior flow in a premium exhaust package.

Cross-references 21-143 and 28600B8150 for the same application. See all 2.

$400.76Free 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.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $400.76
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 Hyundai Santa Fe

Walker Quiet-Flow SS muffler Part Number 21233 is a direct-fit exhaust muffler for select 2013-2018 Hyundai Santa Fe models. It combines 100% stainless-steel construction with an OE-style sound profile, precision fit, and a flow-focused design for a clean replacement on the Hyundai Santa Fe exhaust system.

Key Features

  • 100% stainless-steel body material for corrosion resistance
  • Specific-fit design for select Hyundai Santa Fe applications
  • Oval muffler body with center inlet and offset outlet layout
  • 2.500-inch inlet inside diameter and 2.500-inch outlet outside diameter
  • 2-bolt welded flange outlet connection
  • Hanger included for vehicle-specific installation points
  • Premium-grade Quiet-Flow SS construction

Product Details

The Walker Quiet-Flow SS line is built for drivers who want a replacement muffler that matches factory-style sound while using stainless-steel construction throughout the body. Part Number 21233 is engineered for select 2013-2018 Hyundai Santa Fe vehicles and uses a center inlet, offset outlet configuration to match the original exhaust routing. The oval body measures 29.000 inches long, 11.000 inches wide, and 5.500 inches high, with an overall length of 38.930 inches. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Muffler Can Address

  • Rust or corrosion in the original muffler body
  • Exhaust noise that has increased from a worn internal baffle
  • Fitment problems caused by a damaged or leaking factory muffler
  • Loss of OE-style exhaust tone after muffler failure
  • Replacement needs on a 2013-2018 Hyundai Santa Fe exhaust system

Installation Notes and Tips

Fits 2013-2018 Hyundai Santa Fe, N/A. Verify inlet and outlet orientation before installation, since this muffler uses a center inlet and offset outlet layout with a 2-bolt welded flange outlet. Confirm exhaust pipe diameter and hanger alignment against the vehicle before final tightening. Part Number 21233 is a specific-fit muffler, so matching the vehicle’s original exhaust configuration is important for proper installation.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and OE-style sound characteristics for direct replacement use. The Quiet-Flow SS product line is positioned for domestic and import vehicles, including Hyundai Santa Fe applications, with a focus on fit, flow, and durable materials.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2018HyundaiSanta Fe3.3LV6Quiet-Flow SS
2017HyundaiSanta Fe3.3LV6Quiet-Flow SS
2016HyundaiSanta Fe3.3LV6Quiet-Flow SS
2015HyundaiSanta Fe3.3LV6Quiet-Flow SS
2014HyundaiSanta Fe3.3LV6Quiet-Flow SS
2013HyundaiSanta Fe3.3LV6Quiet-Flow SS
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
21-14328600B8150