Walker 18309 Exhaust Muffler
OE Quality 60-Day Returns
Walker
 SoundFX Direct Fit

Walker 18309 Exhaust Muffler

Brand Walker 18309
Universal Or Specific Fit Specific
Shape Round
Grade Type Regular
Inlet Inside Diameter 2.25
Body Width 7
Inlet Quantity 1
Reversible No
Tunable No
Overall Length 29.25
Body Height 7
Body Length 18
Body Material Steel
Finish Aluminized
Inlet 1 Inside Diameter 2.25
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 1.75
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Outside Diameter 1.875
Outlet 1 Type Tip
Outlet 2 Outside Diameter 1.875
Outlet Configuration Offset
Outlet Outside Diameter 1.875
Outlet Quantity 2
Outlet Type Tip
Product line SoundFX Direct Fit
Fits Nissan · 12 vehicles

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

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

SoundFX tuning. Delivers quality appearance with favorable acoustics.

Cross-references Anchor 3213, Anchor 9820 and TYC 700031 for the same application. See all 3.

$89.77Free 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 $89.77
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Exhaust Muffler options

Walker SoundFX Direct Fit Muffler for Nissan 300ZX

Walker SoundFX Direct Fit muffler Part Number 18309 is a specific-fit exhaust muffler for select 1984-1989 Nissan 300ZX applications. It is built with aluminized steel for improved service life and is shaped to deliver a clean OE-style appearance with controlled exhaust sound.

Key Features

  • Specific-fit exhaust muffler for select Nissan 300ZX models
  • Round, combination muffler design
  • 100% aluminized steel construction
  • Offset inlet configuration with dual offset outlets
  • Mechanical interior joints and spun-locked heads for added durability
  • Walker SoundFX Direct Fit line for OE-style replacement applications

Product Details

The Walker SoundFX Direct Fit line is focused on direct replacement exhaust components that match vehicle-specific fitment and provide a balanced sound profile. This Walker muffler Part Number 18309 uses a steel body with an aluminized finish, a 2.25-inch inlet inside diameter, and dual 1.875-inch outlet tips. Its round body measures 7 inches wide, 7 inches high, and 18 inches long, with an overall length of 29.25 inches. For buyers searching for a 1984-1989 Nissan 300ZX exhaust muffler, this part offers a direct-fit solution with the dimensions and outlet layout needed for the listed applications.

This part cross-references Anchor 3213 and TYC 700031 for the same application.

What It Helps Address

  • Exhaust noise that has become louder due to a worn muffler
  • Corrosion-related muffler replacement needs on older Nissan 300ZX exhaust systems
  • Fitment issues when replacing a vehicle-specific rear exhaust muffler
  • Loss of original exhaust tone or appearance after muffler failure
  • Direct replacement needs for 1984-1989 Nissan 300ZX exhaust service

Installation Notes and Tips

Fits 1984-1989 Nissan 300ZX, N/A. Fits 1984-1989 Nissan 300ZX, N/A, SoundFX Direct Fit. Verify inlet and outlet orientation, overall length, and body dimensions before installation. If the vehicle uses a welded assembly, replace all required related exhaust parts as noted in the fitment data. Confirm the exhaust routing and tip configuration against the original system before final installation.

Quality Assurance

Walker uses aluminized steel construction, mechanical interior joints, and spun-locked heads to support durability in direct-fit exhaust service. The SoundFX Direct Fit line is built for vehicle-specific replacement use on applications such as the Nissan 300ZX.

Related reading

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1989Nissan300ZX3.0LV6If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1989Nissan300ZX3.0LV6SoundFX Direct Fit
1988Nissan300ZX3.0LV6If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1988Nissan300ZX3.0LV6SoundFX Direct Fit
1987Nissan300ZX3.0LV6If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1987Nissan300ZX3.0LV6SoundFX Direct Fit
1986Nissan300ZX3.0LV6If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1986Nissan300ZX3.0LV6SoundFX Direct Fit
1985Nissan300ZX3.0LV6If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1985Nissan300ZX3.0LV6SoundFX Direct Fit
1984Nissan300ZX3.0LV6If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1984Nissan300ZX3.0LV6SoundFX Direct Fit
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 3213Anchor — 9820TYC — 700031