Walker 55275 Exhaust Resonator and Pipe Assembly
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Walker

Walker 55275 Exhaust Resonator and Pipe Assembly

Brand Walker 55275
Body 1 Height 3.5
Body 1 Length 17
Body 1 Shape Round
Body 1 Width 3.5
Body Material Steel
Finish Aluminized
Inlet Outside Diameter 2.25
Inlet Type Pipe Connection
Muffler Body Length 17
Outlet Outside Diameter 2
Outlet Type Pipe Connection
Overall Length 50
Pipe Material Steel
Fits Buick and Pontiac · 14 vehicles

OE-style sound. Precise tuning helps deliver smooth flow characteristics.

Steel construction. Aluminized finish adds corrosion resistance for longer service life.

Pipe connection. Single inlet and outlet make for a straightforward exhaust assembly.

Cross-references AP Exhaust 44882, Remy 14767 and 44920 for the same application. See all 3.

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Walker 55275 Exhaust Resonator and Pipe Assembly

Walker 55275 is an exhaust resonator and pipe assembly built for OE-style fit, flow, and sound control. It is designed for direct replacement on select Buick Rendezvous and Pontiac Aztek applications, with aluminized steel construction for everyday exhaust service.

Key Features

  • Part number 55275 exhaust resonator and pipe assembly
  • 2.25-inch inlet outside diameter and 2-inch outlet outside diameter
  • 17-inch resonator body length with 50-inch overall length
  • Steel pipe and steel body construction
  • Aluminized finish for added corrosion resistance
  • Round 3.5-inch by 3.5-inch body profile
  • Pipe connection inlet and outlet design

Detailed Description

Walker 55275 is engineered to match the original exhaust system’s fit, performance, and sound characteristics. The resonator uses tuning-focused design to support smooth exhaust flow while helping maintain OE-style sound quality. This makes it a practical replacement for drivers searching for a Walker 55275 resonator for 2002-2007 Buick Rendezvous or a Walker 55275 exhaust resonator and pipe assembly for 2001-2005 Pontiac Aztek.

This part cross-references AP Exhaust 44882 and Remy 14767 for the same application.

Vehicle Fitment

  • Fits 2002-2007 Buick Rendezvous, N/A. If welded assembly, replace all required parts.
  • Fits 2001-2005 Pontiac Aztek, N/A. If welded assembly, replace all required parts.

What It Helps Address

  • Exhaust noise that no longer matches the original sound profile
  • Restricted or uneven exhaust flow in the resonator section
  • Corrosion-related replacement needs in the exhaust pipe assembly
  • Fitment issues when replacing a worn OE-style resonator assembly
  • Repair needs on welded exhaust assemblies for Buick Rendezvous and Pontiac Aztek

Installation Notes and Tips

Confirm inlet and outlet diameters before installation: 2.25-inch inlet and 2-inch outlet. This assembly uses pipe connections and is intended for vehicles listed in the fitment data. For welded assemblies, replace all required parts as noted in the application details. Verify alignment and hanger positioning during installation to help ensure proper exhaust routing.

Quality Assurance

Walker designs this resonator to fit, perform, and sound like the original system, using precise tuning methods to support OE-style operation. The aluminized steel construction and direct-fit dimensions make Walker 55275 a focused replacement choice for compatible Buick Rendezvous and Pontiac Aztek exhaust repairs.

Related reading

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007BuickRendezvous3.5LV6N/AIf welded assembly, replace all required parts
2006BuickRendezvous3.6LV6N/AIf welded assembly, replace all required parts
2006BuickRendezvous3.5LV6N/AIf welded assembly, replace all required parts
2005BuickRendezvous3.6LV6N/AIf welded assembly, replace all required parts
2005BuickRendezvous3.4LV6N/AIf welded assembly, replace all required parts
2005PontiacAztek3.4LV6N/AIf welded assembly, replace all required parts
2004BuickRendezvous3.6LV6N/AIf welded assembly, replace all required parts
2004BuickRendezvous3.4LV6N/AIf welded assembly, replace all required parts
2004PontiacAztek3.4LV6N/AIf welded assembly, replace all required parts
2003BuickRendezvous3.4LV6N/AIf welded assembly, replace all required parts
2003PontiacAztek3.4LV6N/AIf welded assembly, replace all required parts
2002BuickRendezvous3.4LV6N/AIf welded assembly, replace all required parts
2002PontiacAztek3.4LV6N/AIf welded assembly, replace all required parts
2001PontiacAztek3.4LV6N/AIf 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 — 44882Remy — 1476744920