Walker 21259 Exhaust Muffler

Brand Walker 21259
Universal Or Specific Fit Specific
Shape Round
Grade Type Regular
Inlet Inside Diameter 2.5
Body Width 6
Inlet Quantity 1
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 34.25
Body Height 6
Body Length 29
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 2.5
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 1.5
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Outside Diameter 2.125
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Outside Diameter 2.125
Outlet Type Pipe connection
Fits

100% stainless-steel construction. Built for lasting corrosion resistance in demanding exhaust conditions.

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

Combination muffler. Delivers a balanced exhaust solution with pipe connection inlets and outlets.

Cross-references Anchor 3632 and Champion Spark Plug 687 for the same application. See all 2.

$89.90Free 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 $89.90
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 21259

Walker 21259 is a specific-fit exhaust muffler built with 100% stainless-steel construction for corrosion resistance and long-term service. It uses a round body, offset inlet and outlet pipe connections, and OE-style sound tuning for a direct replacement on select domestic and import vehicles.

Key Features

  • Specific-fit exhaust muffler for direct application matching
  • 100% stainless-steel body construction
  • Round muffler shape with a 6-inch body width and 6-inch body height
  • Offset inlet and outlet configuration for proper exhaust routing
  • 2.5-inch inlet inside diameter with 2.125-inch outlet outside diameter
  • Combination muffler design for controlled exhaust flow and sound
  • Aluminized finish for added exterior protection

Detailed Description

This Walker Quiet-Flow SS muffler is engineered for drivers replacing a worn or noisy exhaust muffler with a direct-fit unit that matches the original routing and sound profile. Part number 21259 features a 29-inch body length and 34.25-inch overall length, with pipe connection inlet and outlet ends for a clean exhaust system repair. It is a practical choice for service work on vehicles such as Honda Civic and other domestic or import applications that use the same configuration. This part cross-references Anchor 3632 for the same application.

What It Helps Fix

  • Excessive exhaust noise from a damaged muffler
  • Rust-through or corrosion in the muffler body
  • Restricted exhaust flow caused by internal deterioration
  • Fitment issues when replacing an OE-style offset muffler
  • Exhaust system leaks at the muffler connection points

Installation Notes and Tips

Verify inlet and outlet diameters, offset dimensions, and overall length before installation. This muffler uses specific fitment, so confirm the exhaust routing and connection style against the vehicle’s original part. Professional exhaust installation is recommended to ensure proper alignment, sealing, and hanger positioning. Fits select Honda Civic applications where the original exhaust layout matches the listed dimensions and pipe connections.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and OE-style sound characteristics to support durable replacement performance. Part number 21259 is part of Walker’s Quiet-Flow SS line, which is offered for a wide range of domestic and import vehicles.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 3632Champion Spark Plug — 687