Walker
Quiet-Flow SS

Walker 53980 Exhaust Muffler Assembly - Left

Brand Walker 53980
Position Left
Inlet Outside Diameter 2
Finish Natural
Body Diameter 9
Inlet Type 2 bolt welded flange
Outlet Type Tip
Body Height 7
Body Length 13
Muffler Material Stainless steel
Muffler Shape Oval
Overall Length 31.5
Body Material Stainless steel
Body Width 9
Grade Type Regular
Inlet 1 Outside Diameter 2
Inlet 1 Type 2 bolt welded flange
Inlet Configuration Offset
Inlet Quantity 1
Muffler Type Reflection
Outlet 1 Outside Diameter 5.875
Outlet 1 Type Tip
Outlet Configuration Offset
Outlet Quantity 1
Shape Oval
Product line Quiet-Flow SS
Fits Kia · 22 vehicles

Direct-fit replacement. OE-style muffler assembly for a precise exhaust repair.

Stainless steel construction. Helps provide longer service life than typical aluminized mufflers.

Quiet-Flow SS line. Walker exhaust engineering focused on fit and durable materials.

Cross-references Davico Mfg 19327, Karlyn 50499 and Walker Exhaust 53981 for the same application. See all 3.

$184.28Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $184.28
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

Walker Quiet-Flow SS muffler assembly 53980 is a direct-fit stainless steel replacement for select Kia Optima applications. It is built for the left side and uses an OE-style welded flange connection for a precise exhaust repair.

With stainless steel construction and a reflection-style muffler design, this Walker muffler assembly is built for longer service life than typical aluminized units. The 53980 part number is a fitment-specific option for 2011-2018 Kia Optima models, including applications noted as Quiet-Flow SS.

Key Features

  • Stainless steel muffler and body construction
  • Direct-fit OE-style replacement design
  • Oval reflection muffler shape
  • Offset inlet and offset outlet configuration
  • 2-bolt welded flange inlet connection
  • Natural finish

Detailed Description

Walker Quiet-Flow SS 53980 is an exhaust muffler assembly engineered for select Kia Optima vehicles. The stainless steel body and muffler construction help provide improved corrosion resistance compared with standard aluminized exhaust components, while the OE-style layout supports a straightforward replacement on the left side. The oval body measures 9 inches wide, 7 inches high, and 13 inches long, with an overall length of 31.5 inches.

This muffler assembly uses a 2-inch inlet with a 2-bolt welded flange and a 5.875-inch outlet tip. The offset inlet and outlet configuration matches the listed applications and helps maintain the original exhaust routing. If you are replacing a worn or damaged exhaust muffler assembly on a Kia Optima, part number 53980 provides a fitment-specific solution.

Walker Quiet-Flow SS is a stainless-steel product line focused on direct-fit replacement exhaust components. For buyers comparing exhaust muffler assembly options, the Quiet-Flow SS line emphasizes OE-style fitment and durable material construction for domestic and foreign vehicles.

Common Issues This Part Can Address

  • Rust or corrosion in the muffler body
  • Exhaust noise from a damaged internal muffler structure
  • Leaks at the welded flange connection
  • Fitment problems from an incorrect replacement muffler
  • Worn exhaust components on the left side of the vehicle

Installation Notes

Fits 2017-2018 Kia Optima, left. Fits 2011-2016 Kia Optima, left. Fits 2013-2015 Kia Optima, left. Review the notes for Korean-built exclusions and welded assembly replacement guidance before installation. Confirm inlet size, flange style, and outlet routing against the existing exhaust layout before ordering. Part number 53980 is listed for Quiet-Flow SS applications and should be matched to the vehicle configuration shown in the fitment data.

Quality Assurance

Walker states that Quiet-Flow SS uses stainless steel construction and OE-style direct-fit engineering for longer life than typical aluminized mufflers. This part cross-references Davico Mfg 19327 and Walker Exhaust 53981 for the same application.

This part fits 22 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2018KiaOptimaLX2.4LL4LeftQuiet-Flow SS
2017KiaOptimaLX2.4LL4LeftQuiet-Flow SS
2016KiaOptimaLX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2016KiaOptimaEX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2015KiaOptima—2.0LL4LeftPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2015KiaOptimaEX Luxury2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2015KiaOptimaSX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2015KiaOptimaLX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2015KiaOptimaEX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2014KiaOptima—2.0LL4LeftPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2014KiaOptimaEX Luxury2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2014KiaOptimaSX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2014KiaOptimaLX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2014KiaOptimaEX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2013KiaOptima—2.0LL4LeftPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2013KiaOptimaEX Luxury2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2013KiaOptimaLX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2013KiaOptimaEX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2012KiaOptimaLX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2012KiaOptimaEX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2011KiaOptimaLX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; Quiet-Flow SS
2011KiaOptimaEX2.4LL4LeftPremium; Limited Lifetime Warranty; Except Korean Built; 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.
Davico Mfg — 19327Karlyn — 50499Walker Exhaust — 53981