HomeExhaust > MufflersWalker 21410 Exhaust Muffler
Part #: 21410

Walker 21410 Exhaust Muffler

Quiet-Flow SS
28 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Quiet-Flow SS
Fitment: Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn, Montana, Relay, Silhouette, Terraza, and Uplander
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Overview of Walker Quiet-Flow SS Exhaust Muffler 21410

The Walker Quiet-Flow SS Exhaust Muffler 21410 is designed specifically for select GM vehicles, including Buick Montana, Chevrolet Uplander, Oldsmobile Silhouette, Pontiac Relay, and Saturn Terraza. This muffler features a durable stainless steel body with an aluminized finish, engineered to provide reliable exhaust flow and noise reduction.

  • Specific fit for Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn minivan models
  • Oval-shaped muffler body measuring 8.8125 inches wide and 4.25 inches high
  • Stainless steel construction with aluminized finish for corrosion resistance
  • Inlet and outlet pipe connections with 2.25-inch inside diameters
  • Offset inlet configuration with 2.625-inch offset and center outlet
  • Overall length of 32 inches and body length of 28 inches
  • Combination muffler type designed for balanced sound attenuation

Product Line Details: Walker Quiet-Flow SS

The Quiet-Flow SS line by Walker focuses on providing exhaust mufflers constructed from stainless steel for enhanced durability and corrosion resistance. This product line is engineered to meet specific vehicle fitments, ensuring proper fit and function. The 21410 muffler exemplifies the Quiet-Flow SS commitment to quality materials and precise design tailored for GM minivan applications.

Detailed Product Description

The Walker Quiet-Flow SS 21410 exhaust muffler is a specific fit part designed to replace the factory muffler on Buick Montana, Chevrolet Uplander, Oldsmobile Silhouette, Pontiac Relay, and Saturn Terraza models. Its oval-shaped body measures 8.8125 inches in width and 4.25 inches in height, with an overall length of 32 inches. The muffler features a single inlet and outlet, both with 2.25-inch inside diameters, connected via pipe connections. The inlet is offset by 2.625 inches to accommodate the vehicle's exhaust layout, while the outlet is centered. Constructed from stainless steel with an aluminized finish, this muffler offers resistance to rust and corrosion, extending service life. The combination muffler type balances sound reduction and exhaust flow, maintaining vehicle performance while reducing noise.

Common Applications and Problem Solving

  • Replacement for damaged or rusted factory mufflers on compatible GM minivans
  • Reduction of excessive exhaust noise due to muffler wear or failure
  • Restoration of proper exhaust flow to maintain engine efficiency
  • Prevention of exhaust leaks that can cause emissions issues
  • Improvement of vehicle exhaust system durability with stainless steel construction

Installation Notes and Tips

This muffler is designed for specific fitment and requires proper alignment of the offset inlet and center outlet pipe connections. Ensure the inlet and outlet diameters match the vehicle’s exhaust piping (2.25 inches). Professional installation is recommended to verify secure connections and prevent exhaust leaks. The muffler is not reversible and is not tunable, so correct orientation is necessary during installation.

Quality Assurance and Warranty

Walker Quiet-Flow SS mufflers are manufactured to meet OEM specifications for fit and function. The stainless steel body with aluminized finish provides enhanced corrosion resistance compared to standard mufflers. While specific warranty details are not provided, Walker products typically come with a limited warranty against defects in materials and workmanship. Refer to Walker’s official documentation for exact warranty terms.

BrandWalker
Part Number21410
PositionQuiet-Flow SS
Universal Or Specific FitSpecific
ShapeOval
Grade TypeRegular
Inlet Inside Diameter2.25
Body Width8.8125
Inlet Quantity1
Outlet Inside Diameter2.25
Outlet Quantity1
ReversibleNo
TunableNo
Overall Length32
Body Height4.25
Body Length28
Body MaterialStainless steel
FinishAluminized
Inlet 1 Inside Diameter2.25
Inlet 1 TypePipe connection
Inlet ConfigurationOffset
Inlet Offset2.625
Inlet TypePipe connection
Muffler TypeCombination
Outlet 1 Inside Diameter2.25
Outlet 1 TypePipe connection
Outlet ConfigurationCenter
Outlet TypePipe connection

This part fits 28 vehicles. Search below:

YearMakeModelSubmodelDrive TypeLitersCylindersWheel BasePositionNotes
2009PontiacMontana3.9LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008ChevroletUplander3.9LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008PontiacMontana3.9LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007BuickTerraza3.9LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007ChevroletUplander3.9LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007PontiacMontana3.9LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007SaturnRelay3.9LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006BuickTerrazaFWD3.5LV6N/APremium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006BuickTerrazaAWD3.5LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006ChevroletUplanderFWD3.5LV6121.1"N/APremium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006PontiacMontanaFWD3.5LV6N/APremium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006PontiacMontana3.5LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006SaturnRelayAWD3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006SaturnRelayFWD3.5LV6N/APremium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005BuickTerrazaFWD3.5LV6N/APremium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005BuickTerrazaAWD3.5LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005ChevroletUplanderFWD3.5LV6121.1"N/APremium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005PontiacMontanaBaseFWD3.4LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005PontiacMontanaSV6FWD3.5LV6N/APremium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005PontiacMontanaSV63.5LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005SaturnRelayAWD3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005SaturnRelayFWD3.5LV6N/APremium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004OldsmobileSilhouetteFWD3.4LV6N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2004PontiacMontanaFWD3.4LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003OldsmobileSilhouetteFWD3.4LV6N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2003PontiacMontanaFWD3.4LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002OldsmobileSilhouetteFWD3.4LV6N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2002PontiacMontanaFWD3.4LV6N/Awithout Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

22352571

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.