Walker 44818 Exhaust Pipe
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Walker

Walker 44818 Exhaust Pipe

Brand Walker 44818
Material Steel
Outlet Outside Diameter 2.25
Inlet Quantity 1
Outlet Quantity 1
Finish Aluminized
Inlet 1 Type Spherical flare
Inlet Type Spherical flare
Length 42.5
Outlet 1 Outside Diameter 2.25
Outlet 1 Type Pipe connection
Outlet Type Pipe connection
Universal Or Specific Fit Specific fit
Fits Buick, Chevrolet, Oldsmobile, and Pontiac · 129 vehicles

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

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

Pipe connection. A replacement exhaust pipe with spherical flare ends.

Cross-references 48184, 48189 and 48231 for the same application. See all 3.

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Walker 44818 Exhaust Pipe for Classic GM Applications

Walker 44818 is a specific-fit exhaust pipe built from aluminized steel for durability and consistent exhaust routing. Precision bending and fixture checking help support a direct-fit installation on select Chevrolet, Buick, Oldsmobile, and Pontiac vehicles from the late 1970s through the 1980s.

Key Features

  • Aluminized steel construction for corrosion resistance and long service life
  • Specific-fit design for select factory exhaust layouts
  • 42.5-inch overall length
  • 2.25-inch inlet and 2.25-inch outlet diameter
  • Spherical flare inlet for proper connection at the mating pipe
  • Pipe connection outlet for a secure exhaust system interface
  • Precision-formed using benders and fixture checks for fit consistency

Detailed Description

This Walker exhaust pipe, part number 44818, is engineered for direct replacement in select full-size GM platforms, including Chevrolet Caprice, Chevrolet Impala, Buick LeSabre, Oldsmobile Delta 88, Oldsmobile Custom Cruiser, Pontiac Bonneville, Pontiac Catalina, Pontiac Parisienne, Pontiac Laurentian, and Buick Riviera applications. It is built from steel with an aluminized finish to help resist exhaust-system wear while maintaining the correct pipe geometry for factory-style routing. This part cross-references Walker 48184 and 48189 for the same application.

Walker 44818 is a practical choice when replacing a worn, rusted, or damaged exhaust pipe on vehicles such as the Chevrolet Caprice and Chevrolet Impala. The specific-fit design supports accurate alignment with the existing exhaust path, helping restore proper exhaust flow and system integrity.

What This Part Helps Address

  • Rust-through or corrosion in the exhaust pipe
  • Cracks or leaks in the factory exhaust routing
  • Fitment issues caused by previous exhaust repairs
  • Restricted exhaust flow from a damaged pipe section
  • Noise from a leaking or deteriorated exhaust connection

Installation Notes and Tips

Verify vehicle configuration before ordering, especially for 1983-1988 Chevrolet Caprice and 1983-1984 Chevrolet Impala applications with police package, California emission, or dual-bed monolithic converter notes. Some welded assemblies require replacement of all required parts to complete the repair correctly. Confirm inlet and outlet diameter match the existing exhaust connection points before installation.

Quality Assurance

Walker manufactures this pipe with precision bending and fixture checking to support consistent fitment and installation on the listed applications. The aluminized steel construction is selected to provide durability in exhaust-system service.

Related reading

This part fits 129 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersFuel TypePositionNotes
1988ChevroletCaprice——5.7LV8—N/Awith Police Package; without California Emission System
1987ChevroletCaprice——5.7LV8—N/Awith Police Package; without California Emission System
1986ChevroletCaprice——5.7LV8—N/Awith Police Package; without California Emission System
1985ChevroletCaprice——5.7LV8GASN/Awith Police Package; without California Emission System
1984ChevroletCaprice——3.8LV6—N/Awith Dual Bed Monolithic Converter
1984ChevroletCaprice——5.0LV8—N/Awith Dual Bed Monolithic Converter
1984ChevroletImpala——3.8LV6—N/Awith Dual Bed Monolithic Converter
1984ChevroletImpala——5.7LV8GASN/Awith Police Package; If welded assembly, replace all required parts
1984ChevroletImpala——5.0LV8—N/Awith Dual Bed Monolithic Converter
1984PontiacParisienne——5.0LV8—N/A—
1983ChevroletCaprice——3.8LV6—N/Awith Dual Bed Monolithic Converter
1983ChevroletCaprice——5.0LV8—N/Awith Dual Bed Monolithic Converter
1983ChevroletImpala——3.8LV6—N/Awith Dual Bed Monolithic Converter
1983ChevroletImpala——5.7LV8GASN/Awith Police Package; If welded assembly, replace all required parts
1983ChevroletImpala——5.0LV8—N/Awith Dual Bed Monolithic Converter
1983PontiacParisienne——5.0LV8—N/A—
1983PontiacParisienne——3.8LV6—N/A—
1980ChevroletCaprice—Sedan5.7LV8GASN/A—
1980ChevroletImpala—Sedan5.7LV8—N/A—
1980ChevroletImpala—Coupe5.7LV8—N/A—
1979BuickLeSabre——5.7LV8—N/A—
1979BuickLeSabre——4.9LV8—N/A—
1979BuickLeSabre——3.8LV6—N/AIf welded assembly, replace all required parts
1979BuickLeSabreBase—3.8LV6—N/A—
1979BuickLeSabreLimited—3.8LV6—N/A—
1979ChevroletCaprice——5.7LV8—N/A—
1979ChevroletCaprice——4.1LL6—N/A—
1979ChevroletCaprice——5.0LV8—N/A—
1979ChevroletImpala——4.1LL6—N/A—
1979ChevroletImpala——5.0LV8—N/A—
1979ChevroletImpala——5.7LV8—N/A—
1979OldsmobileCustom Cruiser——5.7LV8GASN/A—
1979OldsmobileCustom Cruiser——6.6LV8—N/AIf welded assembly, replace all required parts
1979OldsmobileDelta 88——5.7LV8GASN/A—
1979OldsmobileDelta 88——6.6LV8—N/AIf welded assembly, replace all required parts
1979OldsmobileDelta 88——3.8LV6—N/A—
1979OldsmobileDelta 88——4.9LV8—N/A—
1979PontiacBonneville——5.7LV8—N/A—
1979PontiacBonneville——4.9LV8—N/A—
1979PontiacBonnevilleBrougham—6.6LV8—N/AIf welded assembly, replace all required parts
1979PontiacBonnevilleBase—6.6LV8—N/AIf welded assembly, replace all required parts
1979PontiacBonneville—Wagon6.6LV8—N/AIf welded assembly, replace all required parts
1979PontiacCatalina——5.7LV8—N/A—
1979PontiacCatalina——4.9LV8—N/A—
1979PontiacCatalina——4.1LL6—N/A—
1979PontiacCatalinaBase—3.8LV6—N/A—
1979PontiacCatalina—Wagon6.6LV8—N/AIf welded assembly, replace all required parts
1979PontiacLaurentian——5.7LV8—N/Awith Chevrolet Engine
1979PontiacLaurentian——4.1LL6—N/A—
1979PontiacLaurentian——5.0LV8—N/A—
1979PontiacParisienne——5.7LV8—N/A—
1979PontiacParisienne——4.1LL6—N/A—
1979PontiacParisienne——5.0LV8—N/A—
1978BuickLeSabre——5.7LV8—N/A—
1978BuickLeSabre——4.9LV8—N/A—
1978BuickLeSabre——5.0LV8—N/A—
1978BuickLeSabre——6.6LV8—N/AIf welded assembly, replace all required parts
1978BuickLeSabre——3.8LV6—N/AIf welded assembly, replace all required parts
1978BuickLeSabreCustom—3.8LV6—N/A—
1978BuickLeSabreBase—3.8LV6—N/A—
1978BuickRiviera——5.7LV8—N/A—
1978BuickRiviera——6.6LV8—N/A—
1978ChevroletCaprice——5.7LV8—N/A—
1978ChevroletCaprice——5.0LV8—N/A—
1978ChevroletCapriceClassic Landau—4.1LL6—N/A—
1978ChevroletCapriceClassic—4.1LL6—N/A—
1978ChevroletImpala——4.1LL6—N/A—
1978ChevroletImpala——5.0LV8—N/A—
1978ChevroletImpala——5.7LV8—N/A—
1978OldsmobileCustom Cruiser——5.7LV8GASN/A—
1978OldsmobileCustom Cruiser——6.6LV8—N/AIf welded assembly, replace all required parts
1978OldsmobileDelta 88——5.7LV8GASN/A—
1978OldsmobileDelta 88——6.6LV8—N/AIf welded assembly, replace all required parts
1978OldsmobileDelta 88——3.8LV6—N/A—
1978PontiacBonneville—Wagon6.6LV8—N/AIf welded assembly, replace all required parts
1978PontiacBonneville——6.6LV8—N/AIf welded assembly, replace all required parts
1978PontiacBonneville——5.7LV8—N/A—
1978PontiacBonneville——4.9LV8—N/A—
1978PontiacCatalina——5.7LV8—N/A—
1978PontiacCatalinaSafariWagon6.6LV8—N/AIf welded assembly, replace all required parts
1978PontiacCatalina——4.9LV8—N/A—
1978PontiacCatalina——4.1LL6—N/A—
1978PontiacCatalinaBase—6.6LV8—N/AIf welded assembly, replace all required parts
1978PontiacCatalinaBase—3.8LV6—N/A—
1978PontiacCatalina—Coupe6.6LV8—N/AIf welded assembly, replace all required parts
1978PontiacCatalina—Sedan6.6LV8—N/AIf welded assembly, replace all required parts
1978PontiacLaurentian——5.7LV8—N/Awith Chevrolet Engine
1978PontiacLaurentian——4.1LL6—N/A—
1978PontiacLaurentian——5.0LV8—N/A—
1978PontiacParisienne——5.7LV8—N/A—
1978PontiacParisienne——4.1LL6—N/A—
1978PontiacParisienne——5.0LV8—N/A—
1977BuickLeSabre——5.7LV8—N/A—
1977BuickLeSabre——6.6LV8—N/AIf welded assembly, replace all required parts
1977BuickLeSabre——4.9LV8—N/A—
1977BuickLeSabreBase—3.8LV6—N/A—
1977BuickRiviera——5.7LV8—N/A—
1977BuickRiviera——6.6LV8—N/A—
1977ChevroletCaprice——5.7LV8—N/A—
1977ChevroletCaprice——5.0LV8—N/A—
1977ChevroletCapriceClassic Landau—4.1LL6—N/A—
1977ChevroletCapriceClassic—4.1LL6—N/A—
1977ChevroletImpala——4.1LL6—N/A—
1977ChevroletImpala——5.0LV8—N/A—
1977ChevroletImpala——5.7LV8—N/A—
1977OldsmobileCustom Cruiser——6.6LV8—N/AIf welded assembly, replace all required parts
1977OldsmobileCustom Cruiser——5.7LV8—N/A—
1977OldsmobileDelta 88——4.3LV8—N/A—
1977OldsmobileDelta 88——6.6LV8—N/AIf welded assembly, replace all required parts
1977OldsmobileDelta 88——5.7LV8—N/A—
1977OldsmobileDelta 88——3.8LV6—N/A—
1977PontiacBonneville—Sedan6.6LV8—N/AIf welded assembly, replace all required parts
1977PontiacBonneville—Sedan5.7LV8—N/A—
1977PontiacBonneville—Coupe6.6LV8—N/AIf welded assembly, replace all required parts
1977PontiacBonneville—Coupe5.7LV8—N/A—
1977PontiacBonneville—Wagon6.6LV8—N/AIf welded assembly, replace all required parts
1977PontiacBonneville——4.9LV8—N/A—
1977PontiacBonneville—Wagon5.7LV8—N/A—
1977PontiacCatalinaBaseSedan5.7LV8—N/A—
1977PontiacCatalinaBaseCoupe5.7LV8—N/A—
1977PontiacCatalinaSafariWagon5.7LV8—N/A—
1977PontiacCatalina——6.6LV8—N/AIf welded assembly, replace all required parts
1977PontiacCatalina——4.9LV8—N/A—
1977PontiacCatalina——4.1LL6—N/A—
1977PontiacCatalinaBase—3.8LV6—N/A—
1977PontiacLaurentian——4.1LL6—N/A—
1977PontiacLaurentian——5.0LV8—N/A—
1977PontiacParisienne——4.1LL6—N/A—
1977PontiacParisienne——5.0LV8—N/A—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
481844818948231