HomeExhaust > MufflersWalker 18373 Exhaust Muffler
Part #: 18373

Walker 18373 Exhaust Muffler

SoundFX Direct Fit
⚙️ 38 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦SoundFX Direct Fit
🚗Fitment: Ford, F-250, F-250 HD, and F-350
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Overview of Walker SoundFX Direct Fit Exhaust Muffler 18373

The Walker SoundFX Direct Fit Exhaust Muffler 18373 is designed specifically for Ford F-250, F-250 HD, and F-350 models. This oval-shaped muffler offers a precise fit and reliable performance for your vehicle's exhaust system.

  • Specific fit for Ford F-250, F-250 HD, and F-350
  • Oval body shape with aluminized steel construction
  • 2.5-inch inlet and outlet inside diameters
  • Offset inlet and center outlet pipe connections
  • Combination muffler type with a 41-inch overall length

Product Features and Specifications

The Walker 18373 muffler features a durable aluminized steel body measuring 28 inches in length, 9.75 inches in width, and 4.25 inches in height. It has a 2.5-inch inside diameter for both inlet and outlet pipes, ensuring compatibility with the exhaust piping of Ford F-250 and F-350 trucks. The inlet is offset by 2.875 inches and uses a pipe connection type, while the outlet is centered, also with a pipe connection. This combination muffler design balances sound reduction and exhaust flow for regular grade performance.

About the SoundFX Direct Fit Product Line

The SoundFX Direct Fit line by Walker focuses on providing mufflers that match the original equipment specifications for specific vehicle models. This ensures a direct fit without the need for modifications, maintaining factory sound levels and exhaust performance. The 18373 muffler is part of this line, offering a straightforward replacement option for Ford F-250 and F-350 trucks.

Applications and Problem Solving

  • Replacement for worn or damaged mufflers on Ford F-250, F-250 HD, and F-350
  • Reduces exhaust noise to factory levels
  • Prevents exhaust leaks caused by rust or corrosion
  • Maintains proper exhaust flow for engine efficiency
  • Helps meet emissions and noise regulations

Installation Notes and Tips

This muffler is designed for specific fitment on Ford F-250 and F-350 models, allowing for direct installation using existing pipe connections. Ensure the inlet and outlet diameters match your vehicle’s exhaust piping (2.5 inches). The offset inlet requires alignment during installation to fit properly. Professional installation is recommended to verify proper sealing and secure mounting.

Quality Assurance and Warranty

Constructed from aluminized steel, the Walker 18373 muffler offers corrosion resistance suitable for regular use. While specific warranty details are not provided, Walker products typically meet industry standards for durability and performance in exhaust components.

BrandWalker
Part Number18373
PositionSoundFX Direct Fit
Universal Or Specific FitSpecific
ShapeOval
Grade TypeRegular
Inlet Inside Diameter2.5
Body Width9.75
Inlet Quantity1
Outlet Inside Diameter2.5
Outlet Quantity1
ReversibleNo
TunableNo
Overall Length41
Body Height4.25
Body Length28
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 Diameter2.5
Outlet 1 TypePipe connection
Outlet ConfigurationCenter
Outlet TypePipe connection

This part fits 38 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersWheel BasePositionNotes
1997FordF-250 HDManual5.8LV8139.0"N/AOver 8500 (lb) GVW; Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1996FordF-250Manual5.8LV8139.0"N/AOver 8500 (lb) GVW; Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1995FordF-350RWD5.8LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1995FordF-350RWD5.8LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1994FordF-350RWD5.8LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1994FordF-350RWD5.8LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1993FordF-350RWD5.8LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1993FordF-350RWD5.8LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-3504WD7.5LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-3504WD7.5LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-350RWD7.5LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-350RWD7.5LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-350RWD5.8LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-350RWD5.8LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-3504WD7.5LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-3504WD7.5LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-350RWD7.5LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-350RWD7.5LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-350RWD5.8LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-350RWD5.8LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-3504WD7.5LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-3504WD7.5LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-350RWD7.5LV8168.4"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-350RWD7.5LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-350RWD5.8LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-350RWD5.8LV8160.8"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-3504WD7.5LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-3504WD7.5LV8160.8"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-350RWD7.5LV8160.8"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-350RWD7.5LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-350RWD5.8LV8160.8"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-350RWD5.8LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-3504WD7.5LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-3504WD7.5LV8160.8"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-350RWD7.5LV8160.8"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-350RWD7.5LV8137.0"N/ARequires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1987FordF-2507.5LV8133.0"N/AOver 8500 (lb) GVW; with Engine Code EFI; Requires 35276; If welded assembly, replace all required parts; SoundFX Direct Fit
1987FordF-2507.5LV8N/AOver 8500 (lb) GVW; with Engine Code EFI; Requires 35276; 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.