HomeExhaust > MufflersWalker 18375 Exhaust Muffler
Part #: 18375

Walker 18375 Exhaust Muffler

SoundFX Direct Fit
47 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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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
SoundFX Direct Fit
Fitment: Chevrolet and Pontiac, Camaro and Firebird
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker SoundFX Direct Fit Exhaust Muffler 18375

The Walker SoundFX Direct Fit Exhaust Muffler 18375 is designed specifically for Chevrolet Camaro and Pontiac Firebird models. This oval-shaped muffler offers a precise fit and reliable performance for your vehicle's exhaust system.

  • Specific fit for Chevrolet Camaro and Pontiac Firebird
  • Oval body shape with aluminized steel construction
  • Inlet diameter: 2.5 inches; outlet diameter: 2.25 inches
  • Combination muffler type with offset inlet and outlet configuration
  • Overall length of 24 inches with a body length of 19 inches
  • Durable aluminized finish for corrosion resistance
  • Part number 18375 for easy identification

Walker SoundFX Direct Fit Product Line Details

The SoundFX Direct Fit line by Walker focuses on providing exhaust mufflers engineered for specific vehicle applications. This ensures a direct fit without the need for modifications, maintaining factory exhaust routing and performance. The 18375 muffler is part of this line, offering a combination muffler design that balances sound reduction and exhaust flow for the Chevrolet Camaro and Pontiac Firebird.

Product Features and Specifications

This Walker exhaust muffler features an oval-shaped body measuring 9.75 inches in width, 4.25 inches in height, and 19 inches in length. Constructed from aluminized steel, it offers resistance to rust and corrosion. The muffler has a single inlet pipe connection with a 2.5-inch inside diameter and two outlet pipe connections each with a 2.25-inch inside diameter. Both inlet and outlet configurations are offset, with an inlet offset of 2.875 inches, designed to match the exhaust layout of the specified vehicles. The overall length of the muffler is 24 inches, providing a compact yet effective exhaust solution. This part is not reversible or tunable, ensuring a straightforward replacement.

Compatible Vehicles and Applications

  • Replacement muffler for Chevrolet Camaro exhaust systems
  • Direct fit for Pontiac Firebird exhaust repairs
  • Addresses exhaust noise reduction and emission control
  • Suitable for restoring factory exhaust performance
  • Ideal for resolving muffler corrosion or damage issues

Installation Notes and Tips

Installation of the Walker SoundFX Direct Fit Exhaust Muffler 18375 requires matching the inlet and outlet pipe diameters to the vehicle’s exhaust system. The offset inlet and outlet configuration should be aligned carefully to ensure proper fitment. This muffler is designed for specific fitment, so no modifications to the exhaust piping are typically necessary. Professional installation is recommended to ensure secure connections and optimal exhaust flow.

Quality Assurance and Warranty

Walker manufactures this exhaust muffler with aluminized steel for durability and corrosion resistance. The SoundFX Direct Fit line is engineered to meet or exceed OEM specifications for fit and function. While specific warranty details are not provided here, Walker products generally come with a limited warranty against defects in materials and workmanship. Refer to Walker’s official documentation for complete warranty information.

BrandWalker
Part Number18375
PositionSoundFX Direct Fit
Universal Or Specific FitSpecific
ShapeOval
Grade TypeRegular
Inlet Inside Diameter2.5
Body Width9.75
Inlet Quantity1
Outlet Inside Diameter2.25
ReversibleNo
TunableNo
Overall Length24
Body Height4.25
Body Length19
Body MaterialSteel
FinishAluminized
Inlet 1 Inside Diameter2.5
Inlet 1 TypePipe connection
Inlet ConfigurationOffset
Inlet Offset2.875
Inlet TypePipe connection
Muffler TypeCombination
Outlet 1 Inside Diameter2.25
Outlet 1 TypePipe connection
Outlet 2 Inside Diameter2.25
Outlet 2 TypePipe connection
Outlet ConfigurationOffset
Outlet Quantity2
Outlet TypePipe connection

This part fits 47 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1997PontiacFirebird5.7LV8N/AIf welded assembly, modifications and/or additional parts may be required.; SoundFX Direct Fit
1997PontiacFirebird5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1996PontiacFirebird5.7LV8N/AIf welded assembly, modifications and/or additional parts may be required.; SoundFX Direct Fit
1996PontiacFirebird5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1995ChevroletCamaro5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1995PontiacFirebird5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1995PontiacFirebird5.7LV8N/AIf welded assembly, modifications and/or additional parts may be required.; SoundFX Direct Fit
1994ChevroletCamaro5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1994PontiacFirebird5.7LV8N/AIf welded assembly, modifications and/or additional parts may be required.; SoundFX Direct Fit
1994PontiacFirebird5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1993ChevroletCamaro5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1993PontiacFirebird5.7LV8N/AIf welded assembly, modifications and/or additional parts may be required.; SoundFX Direct Fit
1993PontiacFirebird5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1992ChevroletCamaro5.7LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1992PontiacFirebird5.0LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1992PontiacFirebird5.7LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1991ChevroletCamaro5.7LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1991PontiacFirebird5.0LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1991PontiacFirebird5.7LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1990ChevroletCamaro5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1990ChevroletCamaro5.7LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1990PontiacFirebird5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1990PontiacFirebird5.0LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1990PontiacFirebird5.7LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1989ChevroletCamaro5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1989ChevroletCamaro5.7LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1989ChevroletCamaro5.7LV8N/Awith Single Catalytic Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1989PontiacFirebird5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1989PontiacFirebird5.0LV8N/Awith Dual Catalytic Converters; If welded assembly, replace all required parts; SoundFX Direct Fit
1989PontiacFirebird5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1989PontiacFirebird3.8LV6N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1988ChevroletCamaro5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1988ChevroletCamaro5.7LV8N/Awith Single Catalytic Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1988PontiacFirebird5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1988PontiacFirebird5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1987ChevroletCamaro5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1987ChevroletCamaro5.7LV8N/Awith Single Catalytic Converter; If welded assembly, replace all required parts; SoundFX Direct Fit
1987PontiacFirebird5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1987PontiacFirebird5.7LV8N/AIf welded assembly, replace all required parts; SoundFX Direct Fit
1986ChevroletCamaro5.0LV8N/AHigh Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1986ChevroletCamaro5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1986PontiacFirebirdTrans Am5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1986PontiacFirebird5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1985ChevroletCamaro5.0LV8N/AHigh Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1985PontiacFirebirdTrans Am5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1984ChevroletCamaro5.0LV8N/AHigh Output; If welded assembly, replace all required parts; SoundFX Direct Fit
1984PontiacFirebirdTrans Am5.0LV8N/Awith Single Catalytic Converter; High Output; If welded assembly, replace all required parts; SoundFX 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:

6584700219700359

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