Walker 21383 Exhaust Resonator

Brand Walker 21383
Body 1 Height 4
Body 1 Length 24.25
Body 1 Shape Round
Body 1 Width 4
Body Height 4
Body Length 24.25
Body Material Steel
Body Width 4
Friction Material Thickness Aluminized
Inlet Configuration Center
Inlet Quantity 1
Inlet Type 2 Bolt Welded Flange
Outlet Configuration Center
Outlet Inside Diameter 2.25
Outlet Outside Diameter 2.25
Outlet Quantity 1
Outlet Type Pipe Connection
Resonator Shape Round
Universal Or Specific Fit Direct Fit
Fits Pontiac and Chevrolet · 19 vehicles

Direct fit. Installs as a direct replacement with no modifications needed.

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

Aluminized steel. Corrosion-resistant construction for dependable exhaust performance.

Cross-references Anchor 2261 for the same application. See all 1.

$84.17Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $84.17
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker 21383 Exhaust Resonator Overview

Walker 21383 is a direct-fit exhaust resonator built for OE-style sound control and steady exhaust flow. It is shaped for the factory-style layout used on select Pontiac Grand Prix and Chevrolet Monte Carlo applications, making it a practical replacement for worn or damaged resonator sections.

With a round steel body, aluminized finish, and center inlet/outlet configuration, this Walker resonator is designed to match the original system layout while maintaining proper exhaust routing. The 2-bolt welded flange inlet and 2.25-inch pipe connection support a factory-style installation on the listed vehicles.

Key Features

  • Direct-fit exhaust resonator for select GM applications
  • Round steel body with aluminized finish for corrosion resistance
  • 2.25-inch inlet and 2.25-inch outlet sizing
  • Center inlet and center outlet configuration
  • 2-bolt welded flange inlet with pipe connection outlet
  • OE-style tuning for controlled exhaust sound and flow
  • Walker 21383 replacement part number for catalog and service reference

Detailed Description

Walker 21383 is engineered to follow the original exhaust system layout and sound profile on compatible vehicles. The resonator uses precise tuning to help maintain smooth exhaust flow while keeping the exhaust note close to factory levels. Its 24.25-inch round body and 4-inch body dimensions support a compact underbody fit, while the steel construction and aluminized finish provide a service-ready replacement option.

This part cross-references Anchor 2261 for the same application. Walker 21383 is a direct-fit choice for 1997-2008 Pontiac Grand Prix and 2000-2005 Chevrolet Monte Carlo models with dual exhaust, including welded-assembly systems where all required parts are replaced together.

Common Problems This Part Can Address

  • Exhaust resonance from a damaged or deteriorated resonator
  • Factory exhaust tone that has become louder or harsher over time
  • Restricted exhaust flow caused by internal wear or corrosion
  • Fitment issues when replacing an OE-style resonator section
  • Need for a direct-fit replacement on dual-exhaust Grand Prix or Monte Carlo applications

Installation Notes and Tips

  • Fits 1997-2008 Pontiac Grand Prix, N/A, with Dual Exhaust; If welded assembly, replace all required parts
  • Fits 2000-2005 Chevrolet Monte Carlo, N/A, If welded assembly, replace all required parts
  • Confirm the vehicle uses a 2.25-inch exhaust connection before installation
  • Verify the center inlet and center outlet layout matches the existing exhaust routing
  • For welded assemblies, inspect adjoining exhaust sections and replace all required parts as needed

Quality Assurance

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

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2008PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
2007PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
2006PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
2005ChevroletMonte CarloLT3.8LV6N/AIf welded assembly, replace all required parts
2005ChevroletMonte CarloSS3.8LV6N/AIf welded assembly, replace all required parts
2005PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
2004ChevroletMonte CarloSS3.8LV6N/AIf welded assembly, replace all required parts
2004PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
2003ChevroletMonte CarloSS3.8LV6N/AIf welded assembly, replace all required parts
2003PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
2002ChevroletMonte CarloSS3.8LV6N/AIf welded assembly, replace all required parts
2002PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
2001ChevroletMonte CarloSS3.8LV6N/AIf welded assembly, replace all required parts
2001PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
2000ChevroletMonte CarloSS3.8LV6N/AIf welded assembly, replace all required parts
2000PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
1999PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
1998PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If welded assembly, replace all required parts
1997PontiacGrand Prix3.8LV6N/Awith Dual Exhaust; If 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.
Anchor — 2261