Walker
Quiet-Flow SS

Walker 21236 Exhaust Muffler

Brand Walker 21236
Clamps Included No
Outlet Location Offset
Universal Or Specific Fit Specific
Shape Oval
Grade Type Premium
Inlet Type Pipe connection
Outlet Type Pipe connection
Body Height 7.000
Body Length 26.000
Body Width 9.000
Hanger Included Yes
Inlet Location Offset
Inlet Quantity 1
Body Material Stainless steel
Outlet Inside Diameter 2.500
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 41.71
Inlet Offset Yes
Inlet Outside Diameter 2.500
Outlet Offset Yes
Product line Quiet-Flow SS
Fits Ford · 3 vehicles

Stainless-steel construction. Built with a 100% stainless-steel body for corrosion resistance.

OE-style sound. Quiet-Flow SS tuning delivers a controlled exhaust note.

Specific-fit design. Pipe connections and offset layout support precise exhaust routing.

Cross-references Anchor 2651 and FL3Z5230B for the same application. See all 2.

$146.71Free 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 $146.71
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

Walker Quiet-Flow SS muffler 21236 is a specific-fit exhaust muffler built for drivers who want stainless-steel durability, OE-style sound, and steady exhaust flow. It is a direct-fit style replacement for select Ford truck applications and is engineered around a precision fit.

Key Features

  • 100% stainless-steel body for corrosion resistance
  • Quiet-Flow SS design for OE-style exhaust tone
  • Oval muffler shape with offset inlet and outlet layout
  • Pipe connection inlet and outlet for specific-fit installation
  • Premium-grade construction from Walker
  • Hanger included for installation support

Product Details

Walker Quiet-Flow SS 21236 is part of the Quiet-Flow SS product line, which focuses on stainless-steel construction and controlled exhaust sound. The muffler uses a 2.5-inch inlet and 2.5-inch outlet, with an oval body measuring 26 inches long, 9 inches wide, and 7 inches high. Its offset inlet and outlet configuration supports the intended exhaust routing for the application. This part cross-references Anchor 2651 for the same application.

Fits 2015-2017 Ford F-150, N/A. Use this muffler when replacing a worn or damaged exhaust unit on compatible Ford F-150 applications. Part number 21236 is also referenced in OE-style replacement searches for the same vehicle range.

Common Uses

  • Restoring exhaust tone after muffler corrosion or internal failure
  • Replacing a damaged muffler with a stainless-steel unit
  • Addressing exhaust noise from a worn internal baffle structure
  • Correcting exhaust flow issues caused by a restricted muffler

Installation Notes

Verify inlet and outlet orientation, offset layout, and overall length before installation. This muffler uses pipe connections and does not include clamps. Confirm hanger alignment and exhaust clearance during fitment on Ford F-150 applications. Part number 21236 should be matched to the vehicle’s exhaust configuration before installation.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with 100% stainless-steel construction and are engineered for precision fit and OE-style sound characteristics.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2017FordF-1503.5LV6Quiet-Flow SS
2016FordF-1503.5LV6Quiet-Flow SS
2015FordF-1503.5LV6Quiet-Flow SS
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2651FL3Z5230B