Walker
Quiet-Flow

Walker 50099 Exhaust Muffler Assembly

Brand Walker 50099
Finish Painted
Body Diameter 11
Inlet Type 2 bolt welded flange
Outlet Type Pipe connection
Body Height 5.5
Body Length 26.5
Muffler Material Steel
Muffler Shape Oval
Overall Length 24.625
Body Material Steel
Body Width 11
Grade Type Regular
Inlet 1 Type 2 bolt welded flange
Inlet Configuration Body side
Inlet Quantity 1
Muffler Type Combination
Outlet 1 Outside Diameter 2
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Quantity 1
Shape Oval
Product line Quiet-Flow
Fits Mitsubishi · 7 vehicles

OE-style replacement. Precision fit with direct-fit installation.

Quiet-Flow design. Delivers OE-style sound and superior flow.

Steel construction. Oval muffler assembly with a painted finish.

Cross-references Four Seasons 16822 for the same application. See all 1.

$306.63Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $306.63
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Quiet-Flow Muffler Assembly 50099

Walker Quiet-Flow 50099 is a direct-fit exhaust muffler assembly built for OE-style replacement on select vehicles. It combines a steel oval body, welded flange inlet, and offset pipe outlet to support proper exhaust routing and a factory-like sound profile.

Compatible with 2008-2011 Mitsubishi Lancer, this muffler assembly is shaped for a precise fit and steady exhaust flow. The Quiet-Flow line focuses on replacement applications that match original equipment dimensions and sound characteristics for domestic and foreign vehicles.

Key Features

  • Direct-fit exhaust muffler assembly for OE-style replacement
  • Steel muffler and body construction with painted finish
  • Oval muffler shape with combination muffler design
  • 2-bolt welded flange inlet for secure connection
  • Offset outlet with 2-inch outside diameter pipe connection
  • Designed for 2008-2011 Mitsubishi Lancer applications
  • Walker Quiet-Flow part number 50099

Product Details

Walker Quiet-Flow 50099 is engineered as a replacement muffler assembly that follows original-style fitment and exhaust routing. The oval steel body measures 26.5 inches in body length, 11 inches in body width, and 5.5 inches in body height, with an overall length of 24.625 inches. Its body-side inlet configuration and offset outlet layout support a factory-style installation path on the listed Mitsubishi Lancer applications. Walker Quiet-Flow 50099 is a practical choice when you need a replacement muffler assembly that maintains OE-style sound and flow characteristics.

This part cross-references Four Seasons 16822 for the same application.

Common Issues This Part Can Address

  • Rusted or perforated muffler housing
  • Exhaust noise from a damaged muffler assembly
  • Restricted exhaust flow from internal muffler deterioration
  • Fitment problems caused by a mismatched replacement muffler
  • Failed flange or outlet connection at the muffler section

Installation Notes and Tips

Verify the inlet flange style, outlet routing, and overall dimensions against the existing exhaust layout before installation. This muffler assembly uses a 2-bolt welded flange inlet and a pipe connection outlet, so alignment with the vehicle’s exhaust path is important for proper sealing and fit. Confirm application details for 2008-2011 Mitsubishi Lancer before beginning service.

Quality Assurance

Walker Quiet-Flow muffler assemblies are built as direct-fit OE-style replacements with coverage for domestic and foreign vehicles. The Quiet-Flow line is positioned for precision fit, steady exhaust flow, and OE-style sound on the listed applications.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011MitsubishiLancer2.4LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow
2011MitsubishiLancer2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow
2010MitsubishiLancer2.4LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow
2010MitsubishiLancer2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow
2009MitsubishiLancer2.4LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow
2009MitsubishiLancer2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow
2008MitsubishiLancer2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 16822