Walker
SoundFX Direct Fit

Walker 18233 Exhaust Muffler

Brand Walker 18233
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2
Body Width 9.75
Inlet Quantity 1
Outlet Inside Diameter 2
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 18.5
Body Height 4.25
Body Length 14
Body Material Steel
Finish Aluminized
Inlet 1 Inside Diameter 2
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 2.875
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Inside Diameter 2
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Type Pipe connection
Product line SoundFX Direct Fit
Fits Ford and Mercury · 52 vehicles

Direct-fit design. Installs as a specific-fit exhaust muffler with no guesswork.

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

Combination muffler. Delivers quality appearance with favorable acoustics.

Cross-references AMS Automotive 6563, Anchor 3160 and Anchor 3176 for the same application. See all 6.

$60.94Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
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Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $60.94
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker SoundFX Direct Fit Muffler

Walker SoundFX Direct Fit Muffler 18233 is a specific-fit exhaust muffler for select Ford, Mercury applications. It uses 100% aluminized steel for improved service life versus low-carbon steel and is built for a quality appearance with controlled exhaust acoustics.

For shoppers searching for a Ford Mustang muffler replacement or a direct-fit exhaust muffler for a 1983-1993 Ford Mustang, this Walker SoundFX 18233 offers an OE-style layout with offset 2-inch inlet and outlet connections.

Key Features

  • Specific-fit exhaust muffler for select vehicle applications
  • Oval muffler body with aluminized steel construction
  • 2-inch inlet and 2-inch outlet with pipe connection ends
  • Offset inlet and outlet configuration for application-specific routing
  • Mechanical interior joints and spun-locked heads for added durability
  • Combination muffler design for balanced exhaust tone
  • Walker SoundFX Direct Fit product line for direct replacement use

Product Details

Walker SoundFX Direct Fit 18233 is built as a replacement exhaust muffler for vehicles that require a specific-fit oval muffler with offset inlet and outlet placement. The aluminized steel body helps resist corrosion better than low-carbon steel, while the internal construction is engineered to maintain a clean appearance and consistent exhaust sound. This part number is commonly searched as Walker 18233 muffler and Walker SoundFX 18233.

This part cross-references AMS Automotive 6563 for the same application.

What It Helps Address

  • Rust or corrosion in an original muffler housing
  • Exhaust noise from a worn or damaged muffler
  • Fitment issues when replacing an OE-style direct-fit muffler
  • Restricted exhaust flow caused by internal muffler deterioration
  • Loss of proper exhaust routing on select Ford Mustang, Thunderbird, Capri, and Cougar applications

Installation Notes

Compatible With 1983-1993 Ford Mustang, N/A; 1983-1986 Ford Thunderbird, N/A; 1983-1986 Mercury Capri, N/A; and 1983-1986 Mercury Cougar, N/A. Fitment notes specify use with 35569 and two 35564 components for the listed applications. Verify inlet and outlet diameter, offset configuration, and overall length before installation. Professional exhaust installation is recommended for proper alignment and sealing.

Quality Assurance

Walker SoundFX mufflers are built with aluminized steel, mechanical interior joints, and spun-locked heads to support durable service in exhaust system applications. Part number 18233 is engineered as a direct-fit replacement for the listed vehicles and is backed by Walker’s product engineering standards.

This part fits 52 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1993FordMustang—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1992FordMustang—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1991FordMustang—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1990FordMustang—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1989FordMustang—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1988FordMustang—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1987FordMustang—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1986FordMustang—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1986FordThunderbird—5.0LV8N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1986FordThunderbird—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1986FordThunderbird—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1986MercuryCapri—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1986MercuryCapri—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1986MercuryCougar—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1986MercuryCougar—5.0LV8N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1986MercuryCougarLS3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1986MercuryCougarBase3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985FordMustang—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985FordMustangLX2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985FordThunderbird—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985FordThunderbird—5.0LV8N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985FordThunderbird—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985MercuryCapri—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985MercuryCapri—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985MercuryCougar—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985MercuryCougarLS3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985MercuryCougarBase3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985MercuryCougarBase5.0LV8N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1985MercuryCougarLS5.0LV8N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984FordMustang—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984FordMustangL2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984FordThunderbird—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984FordThunderbird—5.0LV8N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984FordThunderbird—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984MercuryCapri—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984MercuryCapri—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984MercuryCougar—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984MercuryCougarLS3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984MercuryCougarBase3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984MercuryCougarBase5.0LV8N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1984MercuryCougarLS5.0LV8N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983FordMustang—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983FordMustangL2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983FordMustangGLX2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983FordMustangGL2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983FordThunderbird—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983FordThunderbird—5.0LV8N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983FordThunderbird—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983MercuryCapri—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983MercuryCapri—2.3LL4N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983MercuryCougar—3.8LV6N/ARequires 35569 And Two 35564; SoundFX Direct Fit
1983MercuryCougar—5.0LV8N/ARequires 35569 And Two 35564; SoundFX Direct Fit
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6563Anchor — 3160Anchor — 3176Anchor — 3397TYC — 700073TYC — 700272