Walker
Quiet-Flow SS

Walker 56019 Exhaust Muffler Assembly

Brand Walker 56019
Body Diameter 9
Body Height 7
Body Length 19
Body Material Stainless Steel
Body Width 9
Friction Material Thickness Aluminized
Grade Type Regular
Inlet 1 Outside Diameter 2
Inlet 1 Type 2 Bolt Welded Flange
Inlet Configuration Offset
Inlet Outside Diameter 2
Inlet Type 2 Bolt Welded Flange
Muffler Material Stainless Steel
Muffler Shape Oval
Muffler Type Combination
Outlet 1 Outside Diameter 2
Outlet 1 Type Pipe Connection
Outlet Configuration Offset
Outlet Type Pipe Connection
Overall Length 59.75
Shape Oval
Product line Quiet-Flow SS
Fits Nissan · 3 vehicles

OE-style replacement. Direct-fit muffler assembly for straightforward installation.

Stainless steel construction. Helps deliver longer life than typical aluminized mufflers.

Quiet-Flow SS line. Walker’s muffler family for domestic and foreign vehicles.

Cross-references Anchor 2280, AP Exhaust 44845 and 285-737 for the same application. See all 3.

$154.93Free shipping
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Walker Quiet-Flow SS Muffler Assembly for Frontier

Walker Quiet-Flow SS muffler assembly Part Number 56019 is a direct-fit exhaust muffler replacement for select 1998-2000 Nissan Frontier models. It combines stainless-steel construction with an OE-style fit to support longer service life than typical aluminized mufflers.

Key Features

  • Direct-fit exhaust muffler assembly for select Nissan Frontier applications
  • Stainless-steel muffler body and stainless-steel muffler material
  • Oval muffler shape with combination muffler design
  • Offset inlet and offset outlet configuration
  • 2-bolt welded flange inlet and pipe connection outlet
  • Overall length: 59.75 in.
  • Body dimensions: 19 in. length, 9 in. width, 7 in. height
  • Inlet and outlet outside diameter: 2 in.

Product Details

The Walker Quiet-Flow SS line is built around OE-style replacement fitment with stainless-steel construction for added durability in exhaust service. This muffler assembly is engineered for 1998-2000 Nissan Frontier models and uses an offset inlet and offset outlet layout to match the original exhaust routing. Part Number 56019 is also cross-referenced to Anchor 2280 and AP Exhaust 44845 for the same application.

For buyers searching for a Nissan Frontier muffler replacement, Walker 56019 provides a direct-fit solution that aligns with factory-style mounting and pipe connection points. The Quiet-Flow SS product line focuses on stainless-steel construction across broad domestic and foreign vehicle coverage, making it a practical choice when replacing a worn or rusted muffler assembly.

Common Problems This Part Can Address

  • Rust-through or corrosion in the original muffler body
  • Exhaust noise caused by a damaged or leaking muffler
  • Fitment issues from a previous non-OE-style exhaust repair
  • Restricted exhaust flow from internal muffler deterioration
  • Replacement needs on 1998-2000 Nissan Frontier exhaust systems

Installation Notes and Tips

Verify inlet and outlet orientation, flange style, and overall length before installation. This muffler assembly uses a 2-bolt welded flange inlet and pipe connection outlet, so matching the existing exhaust layout is important for proper alignment on the Nissan Frontier. Inspect adjoining pipes, hangers, and sealing surfaces before installation to confirm the rest of the exhaust system is in serviceable condition.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and OE-style replacement fitment to support long-term exhaust service. This part is listed for 1998-2000 Nissan Frontier models, and the Quiet-Flow SS line is positioned as a durable replacement option for domestic and foreign vehicles.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersPositionNotes
2000NissanFrontier4WD2.4LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
1999NissanFrontier4WD2.4LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
1998NissanFrontier4WD2.4LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2280AP Exhaust — 44845285-737