Walker 56123 Exhaust Resonator and Pipe Assembly

Brand Walker 56123
Body 1 Height 4
Body 1 Length 23
Body 1 Shape Round
Body 1 Width 4
Body Material Steel
Finish Aluminized
Inlet Type 3 Bolt Welded Flange
Muffler Body Length 23
Outlet Outside Diameter 1.75
Outlet Type Pipe Connection
Overall Length 70
Pipe Material Steel
Fits Saturn · 2 vehicles

OE-style sound. Precise tuning delivers excellent flow characteristics.

Steel construction. Aluminized finish helps resist corrosion.

Resonator and pipe assembly. Built for a fit, performance, and sound like the original system.

Cross-references AP Exhaust 68464 for the same application. See all 1.

$90.57Free 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.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $90.57
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker 56123 Exhaust Resonator and Pipe Assembly

Walker 56123 is an exhaust resonator and pipe assembly built to match original-system fit, sound, and flow characteristics. It is a direct-fit exhaust replacement for the 2003-2004 Saturn Ion and uses OE-style tuning to help maintain factory-like exhaust tone.

  • Fits 2003-2004 Saturn Ion, N/A
  • Part number 56123 for fitment-specific exhaust replacement
  • Steel pipe construction with aluminized finish
  • Round resonator body with 23-inch body length
  • Overall length: 70 inches
  • Inlet: 3-bolt welded flange
  • Outlet: pipe connection with 1.75-inch outside diameter

OE-Style Exhaust Fit and Sound

This Walker resonator and pipe assembly is engineered for drivers replacing a worn exhaust resonator on a 2003-2004 Saturn Ion. Walker 56123 uses precise tuning to support proper exhaust flow and help preserve the original sound profile, making it a practical choice for Saturn Ion exhaust repair and OE-style exhaust restoration.

This part cross-references AP Exhaust 68464 for the same application.

Common Problems It Can Address

  • Exhaust noise from a damaged or rusted resonator assembly
  • Factory exhaust tone that has become louder or harsher over time
  • Corrosion-related failure in the pipe or resonator body
  • Fitment issues when replacing a worn Saturn Ion exhaust section
  • Restricted exhaust flow caused by internal deterioration

Installation Notes and Tips

Verify flange style, outlet diameter, and overall length against the existing exhaust before installation. This assembly uses a 3-bolt welded flange inlet and a pipe connection outlet, so matching the original routing and connection points is important for proper alignment on the 2003-2004 Saturn Ion. Professional exhaust installation is recommended when the existing system shows corrosion or seized fasteners.

Quality Assurance

Walker designs this resonator assembly to fit, perform, and sound like the original system. The aluminized steel construction and OE-style tuning support a replacement that follows factory exhaust specifications for the Saturn Ion application.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004SaturnIon2.2LL4N/A—
2003SaturnIon2.2LL4N/A—
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 68464