Walker
SoundFX Direct Fit

Walker 18424 Exhaust Muffler

Brand Walker 18424
Universal Or Specific Fit Specific
Shape Round
Grade Type Regular
Inlet Inside Diameter 1.5
Body Width 6
Inlet Quantity 1
Outlet Inside Diameter 1.5
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 16
Body Height 6
Body Length 12
Body Material Steel
Finish Aluminized
Inlet 1 Inside Diameter 1.5
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 1.5
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Inside Diameter 1.5
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Type Pipe connection
Product line SoundFX Direct Fit
Fits Honda · 6 vehicles

Direct-fit replacement. Installs as a specific-fit exhaust muffler with no modifications needed.

Aluminized steel. Helps resist corrosion for longer service life than low-carbon steel.

Mechanical interior joints. Spun-locked heads add durability to the muffler construction.

Cross-references Anchor 3208 and TYC 700084 for the same application. See all 2.

$70.20Free 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 $70.20
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker SoundFX Direct Fit Muffler 18424

Walker SoundFX Direct Fit muffler 18424 is a specific-fit exhaust muffler for select Honda Civic applications. It is built with aluminized steel for improved service life versus low-carbon steel and uses a round, combination-style body with offset pipe connections for a direct replacement layout.

The SoundFX Direct Fit line focuses on OE-style fitment, clean appearance, and controlled exhaust acoustics. For 1984-1986 Honda Civic models with a welded heat shield, this muffler provides a direct-fit solution that matches the original exhaust routing and connection size.

Key Features

  • Specific-fit exhaust muffler for select Honda Civic applications
  • Walker SoundFX Direct Fit product line
  • 100% aluminized steel construction for longer service life than low-carbon steel
  • Round body design with aluminized finish
  • Offset inlet and outlet pipe connections
  • 1.5-inch inlet and outlet inside diameter
  • Mechanical interior joints and spun-locked heads for added durability
  • Direct replacement for 1984-1986 Honda Civic, with welded heat shield

Detailed Description

Walker 18424 is a direct-fit exhaust muffler engineered for 1984-1986 Honda Civic models with a welded heat shield. It measures 16 inches overall, with a 12-inch body length, 6-inch body width, and 6-inch body height. The muffler uses a single inlet and single outlet, both at 1.5 inches inside diameter, with offset pipe connections to match the specified application.

As part of the Walker SoundFX Direct Fit line, this muffler is built to deliver OE-style appearance and controlled exhaust tone while maintaining the correct fit for the vehicle. The aluminized steel body and spun-locked construction support durability in everyday exhaust service. Part number 18424 is also referenced by Anchor 3208 and TYC 700084 for the same application.

Common Issues It Can Help Address

  • Rust or corrosion in the original muffler body
  • Exhaust leaks caused by a damaged muffler shell or seams
  • Excessive exhaust noise from a worn internal muffler structure
  • Poor fitment when replacing a non-OE-style muffler
  • Need for a direct replacement on 1984-1986 Honda Civic exhaust systems

Installation Notes and Tips

Verify the vehicle is a 1984-1986 Honda Civic with a welded heat shield before ordering. Confirm the 1.5-inch inlet and outlet dimensions, offset configuration, and overall exhaust routing against the original part. Professional exhaust installation is recommended to ensure proper alignment, sealing, and hanger positioning.

Quality Assurance

Walker SoundFX Direct Fit mufflers are built with aluminized steel, mechanical interior joints, and spun-locked heads to support long-term exhaust service. The design emphasizes fit accuracy, appearance, and consistent acoustics for the specified Honda Civic application.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1986HondaCivicCRX1.5LL4N/Awith Welded Heat Shield; SoundFX Direct Fit
1986HondaCivicCRX HF1.5LL4N/Awith Welded Heat Shield; SoundFX Direct Fit
1985HondaCivicCRX1.5LL4N/Awith Welded Heat Shield; SoundFX Direct Fit
1985HondaCivicCRX HF1.5LL4N/Awith Welded Heat Shield; SoundFX Direct Fit
1984HondaCivicCRX 1.51.5LL4N/Awith Welded Heat Shield; SoundFX Direct Fit
1984HondaCivicCRX1.3LL4N/Awith Welded Heat Shield; SoundFX Direct Fit
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 3208TYC — 700084