Walker 54903 Exhaust Resonator and Pipe Assembly

Brand Walker 54903
Muffler Body Length 12
Pipe Material Steel
Inlet Inside Diameter 1.75
Overall Length 44.375
Body 1 Height 5
Body 1 Length 12
Body 1 Shape Round
Body 1 Width 5
Body Material Steel
Finish Aluminized
Inlet Quantity 1
Inlet Type Pipe connection
Outlet Quantity 1
Outlet Type 2 bolt welded flange
Fits Honda · 8 vehicles

OE-style sound. Precise tuning delivers original-system tone and excellent flow characteristics.

Steel construction. Aluminized finish helps resist corrosion for longer service life.

Pipe connection inlet. 2-bolt welded flange outlet simplifies exhaust assembly installation.

Cross-references AP Exhaust 28872, AP Exhaust 68543 and Walker Exhaust 55659 for the same application. See all 3.

$109.44Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $109.44
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker 54903 Exhaust Resonator and Pipe Assembly

Walker 54903 is an exhaust resonator and pipe assembly built for OE-style fit, sound, and flow. It is designed for 2012-2015 Honda Civic applications and uses tuned resonator technology to help maintain original exhaust character while replacing a worn factory unit.

Key Features

  • Steel pipe and steel body construction
  • Aluminized finish for added corrosion resistance
  • Round resonator body with 12-inch body length
  • 1.75-inch inlet inside diameter
  • Single inlet with pipe connection
  • Single outlet with 2-bolt welded flange
  • Overall length: 44.375 inches
  • OE-style sound and flow characteristics

Detailed Description

This Walker 54903 exhaust resonator and pipe assembly is engineered to match the original system’s fit, performance, and sound profile. The round steel resonator body, aluminized finish, and welded flange outlet support a direct replacement approach for select Honda Civic exhaust configurations. For shoppers searching for a Honda Civic resonator pipe assembly, Walker 54903 provides a factory-style solution for 2012-2015 Honda Civic and 2014-2015 Honda Civic applications.

This part cross-references Walker Exhaust 55659 for the same application.

What It Helps Address

  • Exhaust resonance or drone from a worn resonator
  • Cracked or rusted factory resonator and pipe sections
  • Exhaust leaks at the resonator or flange connection
  • Loss of original exhaust tone on a Honda Civic
  • Replacement needs for a damaged OE-style exhaust assembly

Installation Notes and Tips

Compatible With 2014-2015 Honda Civic, N/A. Compatible With 2012-2015 Honda Civic, N/A; if welded assembly, replace all required parts. Verify inlet diameter, flange style, and overall length against the original exhaust before installation. Because this is a welded exhaust assembly, proper alignment and exhaust sealing are important for a correct repair.

Quality Assurance

Walker designs this resonator assembly to follow OE-style tuning and fitment standards, with construction focused on consistent exhaust flow and original-system sound characteristics.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersFuel TypeNotes
2015HondaCivicSedan1.8LL4GAS—
2015HondaCivic—1.8LL4CNGIf welded assembly, replace all required parts
2014HondaCivicSedan1.8LL4GAS—
2014HondaCivic—1.8LL4CNGIf welded assembly, replace all required parts
2013HondaCivicSedan1.8LL4GASIf welded assembly, replace all required parts
2013HondaCivic—1.8LL4CNGIf welded assembly, replace all required parts
2012HondaCivicSedan1.8LL4GASIf welded assembly, replace all required parts
2012HondaCivic—1.8LL4CNGIf welded assembly, replace all required parts
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 28872AP Exhaust — 68543Walker Exhaust — 55659