Home› Exhaust > Mufflers› Walker 18347 Exhaust Muffler
Walker 18347 Exhaust MufflerOE Quality 60-Day Returns
Part #: 18347

Walker 18347 Exhaust Muffler

SoundFX Direct Fit
89 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$93.83Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*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: Ford, F-250, F-250 HD, and F-350
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Exhaust Muffler options

Overview of Walker SoundFX Direct Fit Exhaust Muffler 18347

The Walker SoundFX Direct Fit Exhaust Muffler 18347 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
  • Inlet diameter of 2.5 inches and dual 2-inch outlet pipes
  • Offset inlet and outlet pipe connections for direct fit installation
  • Overall length of 31.5 inches with a body length of 25 inches

Product Features and Specifications

This exhaust muffler features a combination muffler type with a regular grade steel body finished in aluminized coating to resist corrosion. The inlet pipe connection has an inside diameter of 2.5 inches and is offset by 2.875 inches to match the factory exhaust layout. The muffler includes two 2-inch outlet pipe connections, also offset, to ensure proper exhaust flow and fitment. The body dimensions measure 9.75 inches in width, 4.25 inches in height, and 25 inches in length, with an overall length of 31.5 inches. This part is not reversible or tunable, designed for direct replacement without modification.

Walker SoundFX Direct Fit Product Line

The SoundFX Direct Fit line by Walker focuses on providing exhaust mufflers engineered for specific vehicle applications. This ensures a precise fit and straightforward installation, reducing the need for custom adjustments. The 18347 muffler is part of this line, offering a direct fit solution for Ford trucks that maintains factory exhaust routing and performance characteristics.

Applications and Problem Solving

  • Replacement for worn or damaged mufflers on Ford F-250, F-250 HD, and F-350
  • Restores proper exhaust flow and reduces excessive noise
  • Addresses exhaust leaks caused by rust or corrosion
  • Helps maintain emissions compliance by ensuring exhaust integrity
  • Prevents exhaust system rattling and vibration issues

Installation Notes and Tips

Installation requires matching the offset inlet and outlet pipe connections to the existing exhaust system. The 2.5-inch inlet and dual 2-inch outlet pipe diameters correspond to factory specifications for the compatible Ford models. Ensure proper alignment of the oval muffler body to avoid stress on exhaust hangers. This part is designed for direct fit and does not support reversible or tunable configurations.

Quality Assurance and Warranty

Constructed from aluminized steel, the Walker SoundFX Direct Fit Exhaust Muffler 18347 offers corrosion resistance suitable for typical driving conditions. While specific warranty details are not provided, Walker products generally meet industry standards for durability and fitment in their designated applications.

BrandWalker
Part Number18347
PositionSoundFX Direct Fit
Universal Or Specific FitSpecific
ShapeOval
Grade TypeRegular
Inlet Inside Diameter2.5
Body Width9.75
Inlet Quantity1
Outlet Inside Diameter2
ReversibleNo
TunableNo
Overall Length31.5
Body Height4.25
Body Length25
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
Outlet 1 TypePipe connection
Outlet 2 Inside Diameter2
Outlet 2 TypePipe connection
Outlet ConfigurationOffset
Outlet Quantity2
Outlet TypePipe connection

This part fits 89 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersWheel BasePositionNotes
1997FordF-250 HD5.8LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1997FordF-250 HD5.8LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1997FordF-3505.8LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1997FordF-3505.8LV8155.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1996FordF-2505.8LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1996FordF-2505.8LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1996FordF-3505.8LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1996FordF-3505.8LV8155.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1995FordF-2505.8LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1995FordF-2505.8LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1995FordF-3505.8LV8133.0"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1995FordF-3505.8LV8168.4"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1994FordF-2505.8LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1994FordF-2505.8LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1994FordF-350RWD5.8LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1994FordF-3505.8LV8133.0"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1994FordF-3505.8LV8168.4"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1993FordF-2505.8LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1993FordF-2505.8LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1993FordF-350RWD5.8LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1993FordF-3505.8LV8168.4"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1993FordF-3505.8LV8133.0"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1993FordF-3505.8LV8133.0"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1993FordF-3505.8LV8168.4"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-2505.8LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-2505.8LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-2507.5LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-2507.5LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-350RWD7.5LV8155.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-350RWD5.8LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-350RWD7.5LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-3507.5LV8168.4"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-3507.5LV8133.0"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-3505.8LV8168.4"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-3505.8LV8133.0"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-3505.8LV8133.0"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1992FordF-3505.8LV8168.4"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-2505.8LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-2505.8LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-2507.5LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-2507.5LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-350RWD7.5LV8155.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-350RWD5.8LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-350RWD7.5LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-3507.5LV8168.4"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-3507.5LV8133.0"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-3505.8LV8168.4"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-3505.8LV8133.0"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-3505.8LV8133.0"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1991FordF-3505.8LV8168.4"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-2505.8LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-2505.8LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-2507.5LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-2507.5LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-350RWD7.5LV8155.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-350RWD5.8LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-350RWD7.5LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-3507.5LV8168.4"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-3507.5LV8133.0"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-3505.8LV8168.4"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-3505.8LV8133.0"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-3505.8LV8133.0"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1990FordF-3505.8LV8168.4"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-2505.8LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-2505.8LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-2507.5LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-2507.5LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-350RWD7.5LV8155.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-350RWD5.8LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-350RWD7.5LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-3507.5LV8168.4"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-3507.5LV8133.0"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-3505.8LV8168.4"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-3505.8LV8133.0"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-3505.8LV8133.0"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1989FordF-3505.8LV8168.4"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-2505.8LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-2505.8LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-2507.5LV8155.0"N/AOver 8500 (lb) GVW; with Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-2507.5LV8133.0"N/AOver 8500 (lb) GVW; with Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-350RWD7.5LV8133.0"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-350RWD7.5LV8155.0"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-350RWD5.8LV8133.0"N/Awith Dual Outlets; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-3507.5LV8168.4"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-3507.5LV8133.0"N/Awith Dual Outlets; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-3505.8LV8168.4"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-3505.8LV8133.0"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-3505.8LV8133.0"N/Awith Dual Outlets; Except Transmission Codes E4OD; After 02/1988; If welded assembly, replace all required parts; SoundFX Direct Fit
1988FordF-3505.8LV8168.4"N/Awith Dual Outlets; E4OD Transmission; After 02/1988; 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:

700270700433

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

Related Articles