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Part #: 18309

Walker 18309 Exhaust Muffler

SoundFX Direct Fit
12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
SoundFX Direct Fit
Fitment: Nissan, 300ZX
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandWalker
Part Number18309
PositionSoundFX Direct Fit
Universal Or Specific FitSpecific
ShapeRound
Grade TypeRegular
Inlet Inside Diameter2.25
Body Width7
Inlet Quantity1
ReversibleNo
TunableNo
Overall Length29.25
Body Height7
Body Length18
Body MaterialSteel
FinishAluminized
Inlet 1 Inside Diameter2.25
Inlet 1 TypePipe connection
Inlet ConfigurationOffset
Inlet Offset1.75
Inlet TypePipe connection
Muffler TypeCombination
Outlet 1 Outside Diameter1.875
Outlet 1 TypeTip
Outlet 2 Outside Diameter1.875
Outlet ConfigurationOffset
Outlet Outside Diameter1.875
Outlet Quantity2
Outlet TypeTip

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1989Nissan300ZX3.0LV6N/AIf welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1989Nissan300ZX3.0LV6N/ASoundFX Direct Fit
1988Nissan300ZX3.0LV6N/AIf welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1988Nissan300ZX3.0LV6N/ASoundFX Direct Fit
1987Nissan300ZX3.0LV6N/AIf welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1987Nissan300ZX3.0LV6N/ASoundFX Direct Fit
1986Nissan300ZX3.0LV6N/AIf welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1986Nissan300ZX3.0LV6N/ASoundFX Direct Fit
1985Nissan300ZX3.0LV6N/AIf welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1985Nissan300ZX3.0LV6N/ASoundFX Direct Fit
1984Nissan300ZX3.0LV6N/AIf welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit
1984Nissan300ZX3.0LV6N/ASoundFX Direct Fit

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

32137000319820

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.