Walker
SoundFX Universal

Walker 17878 Exhaust Muffler

Brand Walker 17878
Universal Or Specific Fit Universal
Shape Round
Grade Type Regular
Inlet Inside Diameter 2.25
Body Width 7
Inlet Quantity 1
Outlet Inside Diameter 2.25
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 31.25
Body Height 7
Body Length 25
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 Inside Diameter 2.25
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Type Pipe connection
Product line SoundFX Universal
Fits Ford · 6 vehicles

Universal fit. A direct replacement muffler for broad application coverage.

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

Mechanical interior joints. Spun-locked heads add durability and a quality appearance.

Cross-references AMS Automotive 6539 and 5557 for the same application. See all 2.

$55.60Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $55.60
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker SoundFX Universal Muffler for Bronco

Walker SoundFX Universal Muffler Part Number 17878 is a round, aluminized steel exhaust muffler built for universal applications that require a 2.25-inch inlet and 2.25-inch outlet. It is listed for 1983-1986 Ford Bronco applications, including 1984-1986 Ford Bronco with required 35502 and 1983-1985 Ford Bronco with modifications and/or additional parts required for installation.

Key Features

  • Universal fit exhaust muffler with offset inlet and offset outlet configuration
  • 2.25-inch inlet inside diameter and 2.25-inch outlet inside diameter
  • Round body shape with 31.25-inch overall length
  • 100% aluminized steel construction for improved service life versus low-carbon steel
  • Mechanical interior joints and spun-locked heads for added durability
  • Body dimensions: 7-inch width, 7-inch height, 25-inch body length
  • Walker SoundFX Universal line for quality appearance and controlled exhaust acoustics

Detailed Description

Walker SoundFX Universal Muffler Part Number 17878 is a combination-style exhaust muffler designed around a 2.25-inch pipe connection on both inlet and outlet sides. The aluminized finish and steel body help resist corrosion in everyday exhaust service, while the offset inlet and outlet layout supports a range of custom exhaust routing needs. For shoppers searching for a Walker muffler for Ford Bronco exhaust repair, this unit matches the listed 1983-1986 Ford Bronco fitment notes and should be selected with the required installation details in mind.

The SoundFX Universal product line focuses on practical replacement performance, clean appearance, and controlled exhaust tone. On 1984-1986 Ford Bronco models, Part Number 17878 requires 35502. On 1983-1985 Ford Bronco models, modifications and/or additional parts may be required for installation. This part cross-references AMS Automotive 6539 for the same application.

Common Uses

  • Replacing a worn or rusted Ford Bronco muffler
  • Restoring exhaust flow after a damaged or leaking muffler
  • Addressing excessive exhaust noise from a failing muffler
  • Correcting fitment on a custom or universal exhaust setup
  • Updating a Bronco exhaust system with a 2.25-inch inlet/outlet muffler

Installation Notes and Tips

Compatible With 1984-1986 Ford Bronco, N/A, with required 35502. Compatible With 1983-1985 Ford Bronco, N/A, with modifications and/or additional parts required for installation. Verify pipe diameter, offset alignment, and available underbody space before installation. Because this is a universal muffler, final fit may depend on exhaust routing, hanger placement, and system configuration.

Quality Assurance

Walker builds this SoundFX Universal muffler with aluminized steel, mechanical interior joints, and spun-locked heads to support durability in exhaust service. The construction and material selection are intended to provide a dependable replacement option for Bronco exhaust maintenance and custom universal applications.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1986FordBronco5.0LV8N/ARequires 35502; Modifications and/or Additional Parts May Be Required for Installation; SoundFX Universal
1985FordBronco5.0LV8N/ARequires 35502; Modifications and/or Additional Parts May Be Required for Installation; SoundFX Universal
1985FordBronco5.8LV8N/AModifications and/or Additional Parts May Be Required for Installation; SoundFX Universal
1984FordBronco5.0LV8N/ARequires 35502; Modifications and/or Additional Parts May Be Required for Installation; SoundFX Universal
1984FordBronco5.8LV8N/AModifications and/or Additional Parts May Be Required for Installation; SoundFX Universal
1983FordBronco5.8LV8N/AModifications and/or Additional Parts May Be Required for Installation; SoundFX Universal
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 65395557