Walker 55584 Exhaust Resonator and Pipe Assembly

Brand Walker 55584
Body 1 Height 3.25
Body 1 Length 20.125
Body 1 Shape Round
Body 1 Width 3.25
Body Material Steel
Finish Aluminized
Inlet Type 2 Bolt Welded Flange
Muffler Body Length 20.125
Outlet Type 2 Bolt Welded Flange
Overall Length 52.25
Pipe Material Steel
Fits Subaru and Saab · 8 vehicles

OE-style sound. Precise tuning helps deliver the original system's tone and flow.

Steel construction. Body and pipe materials are steel for durable exhaust performance.

Aluminized finish. Helps resist corrosion for longer-lasting appearance and function.

Cross-references AP Exhaust 58502 and BRExhaust 280-603 for the same application. See all 2.

$121.90Free 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 $121.90
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker 55584 Exhaust Resonator and Pipe Assembly

Walker 55584 is an exhaust resonator and pipe assembly built to match the original system’s fit, sound, and flow characteristics. It uses an aluminized steel body and steel pipe construction with welded 2-bolt flange connections for a direct replacement on select Subaru and Saab applications.

Compatible with 2006-2008 Subaru Forester, 2006-2007 Subaru Impreza, and 2006 Saab 9-2X, this Walker resonator assembly is a practical choice when you need OE-style exhaust tone and a factory-style connection layout. The part number 55584 is also referenced for cross-application comparison with AP Exhaust 58502 and BRExhaust 280-603.

Key Features

  • Walker 55584 exhaust resonator and pipe assembly
  • Aluminized steel construction for corrosion resistance
  • Steel pipe and steel body materials
  • Round resonator body design
  • 2-bolt welded flange inlet and outlet
  • OE-style tuning for original sound and flow characteristics
  • Direct-fit replacement for select Subaru Forester, Subaru Impreza, and Saab 9-2X applications

Detailed Description

Walker 55584 is engineered as an OE-style exhaust resonator assembly that follows the original system’s fit and acoustic profile. The 20.125-inch resonator body and 52.25-inch overall length provide the dimensions needed for the listed applications, while the welded flange inlet and outlet support a factory-style exhaust connection. For drivers searching for a 2006-2008 Subaru Forester exhaust resonator, a 2006-2007 Subaru Impreza resonator pipe assembly, or a 2006 Saab 9-2X exhaust replacement, this part number 55584 offers a direct replacement format.

This part cross-references AP Exhaust 58502 and BRExhaust 280-603 for the same application.

What It Helps Address

  • Exhaust resonance or unwanted cabin drone
  • Damaged or rusted resonator and pipe sections
  • Leaking flange connections at the exhaust joint
  • Loss of factory exhaust tone after corrosion or impact
  • Need for an OE-style replacement on Subaru Forester, Subaru Impreza, or Saab 9-2X

Installation Notes and Tips

Verify flange style, overall length, and body dimensions against the original exhaust component before installation. This Walker 55584 assembly uses 2-bolt welded flange inlet and outlet connections, so alignment with the existing exhaust system is important for proper sealing and fitment. Confirm vehicle application by year and model: Fits 2006-2008 Subaru Forester, N/A; Fits 2006-2007 Subaru Impreza, N/A; Fits 2006 Saab 9-2X, N/A.

Quality Assurance

Walker designs this resonator assembly to fit, perform, and sound like the original system, using precise tuning methods to support OE-style exhaust flow and sound characteristics. The aluminized steel construction is selected for durability in exhaust service.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2008SubaruForester2.5LH4N/A
2007SubaruForester2.5LH4N/A
2007SubaruImpreza2.5i2.5LH4N/A
2007SubaruImprezaOutback Sport2.5LH4N/A
2006Saab9-2X2.5LH4N/A
2006SubaruForester2.5LH4N/A
2006SubaruImpreza2.5i2.5LH4N/A
2006SubaruImprezaOutback Sport2.5LH4N/A
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 58502BRExhaust — 280-603