Walker 55270 Exhaust Pipe

Brand Walker 55270
Material Steel
Inlet Outside Diameter 2.25
Outlet Outside Diameter 2.25
Inlet Quantity 1
Outlet Quantity 1
Finish Aluminized
Inlet 1 Outside Diameter 2.25
Inlet 1 Type Pipe connection
Inlet Type Pipe connection
Length 51.875
Outlet 1 Outside Diameter 2.25
Outlet 1 Type Pipe connection
Outlet Type Pipe connection
Universal Or Specific Fit Specific fit
Fits Chevrolet and Pontiac · 15 vehicles

Specific fit. Precision-bent and fixture-checked for a precise fit and quick, easy installation.

Aluminized steel. Built for durability with a corrosion-resistant finish.

Exhaust pipe. A direct replacement pipe with 2.25-inch pipe connections.

Cross-references AP Exhaust 58454 for the same application. See all 1.

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Walker 55270 Exhaust Pipe for Select GM Applications

Walker 55270 is a specific-fit exhaust pipe built from aluminized steel for corrosion resistance and long-term durability. It is engineered with precision bending and fixture checking to support a direct-fit installation on select Pontiac, Chevrolet applications.

Key Features

  • Aluminized steel construction for durable exhaust service
  • 2.25 in. inlet outside diameter and 2.25 in. outlet outside diameter
  • 51.875 in. overall length
  • Pipe connection inlet and outlet design
  • Specific fit for select vehicle applications
  • Walker part number 55270

Detailed Description

This Walker exhaust pipe is built for vehicles that require a direct replacement section in the exhaust system. The 2.25-inch inlet and outlet sizing, along with the 51.875-inch length, make it a fitment-specific solution for exhaust repair on 2003-2005 Chevrolet Impala, 2003-2005 Chevrolet Monte Carlo, and 2005-2008 Pontiac Grand Prix with single exhaust. Walker 55270 is manufactured from aluminized steel and formed with precision equipment to help maintain the intended pipe geometry for a cleaner installation and proper exhaust routing.

This part cross-references AP Exhaust 58454 for the same application.

Vehicle Fitment

  • Fits 2005-2008 Pontiac Grand Prix, N/A, with Single Exhaust; If welded assembly, replace all required parts
  • Fits 2003-2005 Chevrolet Impala, N/A, If welded assembly, replace all required parts
  • Fits 2003-2005 Chevrolet Monte Carlo, N/A, If welded assembly, replace all required parts

What It Helps Repair

  • Exhaust pipe corrosion and rust-through
  • Damaged or bent exhaust routing sections
  • Leaks caused by worn welded pipe assemblies
  • Restricted exhaust flow from deteriorated pipe sections
  • Fitment issues when replacing a direct exhaust pipe section

Installation Notes and Tips

Confirm the vehicle’s exhaust configuration before ordering, especially on Pontiac Grand Prix models with single exhaust. For welded assemblies, replace all required parts to restore the exhaust section correctly. Verify inlet and outlet diameter, pipe length, and connection style against the original part before installation.

Quality Assurance

Walker manufactures this pipe with precision benders and fixture checks to support consistent fitment and installation accuracy. The aluminized steel construction is selected for durability in exhaust service.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2008PontiacGrand Prix—3.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
2007PontiacGrand Prix—3.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
2006PontiacGrand Prix—3.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
2005ChevroletImpala—3.4LV6N/AIf welded assembly, replace all required parts
2005ChevroletImpalaBase3.8LV6N/AIf welded assembly, replace all required parts
2005ChevroletImpalaLS3.8LV6N/AIf welded assembly, replace all required parts
2005ChevroletMonte Carlo—3.4LV6N/AIf welded assembly, replace all required parts
2005PontiacGrand Prix—3.8LV6N/Awith Single Exhaust; If welded assembly, replace all required parts
2004ChevroletImpala—3.4LV6N/AIf welded assembly, replace all required parts
2004ChevroletImpalaBase3.8LV6N/AIf welded assembly, replace all required parts
2004ChevroletImpalaLS3.8LV6N/AIf welded assembly, replace all required parts
2004ChevroletMonte Carlo—3.4LV6N/AIf welded assembly, replace all required parts
2003ChevroletImpala—3.8LV6N/AIf welded assembly, replace all required parts
2003ChevroletImpala—3.4LV6N/AIf welded assembly, replace all required parts
2003ChevroletMonte Carlo—3.4LV6N/AIf welded assembly, replace all required parts
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 58454