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Part #: 21411

Walker 21411 Exhaust Muffler

Quiet-Flow SS
⚙️ 9 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Quiet-Flow SS
🚗Fitment: Buick, Rendezvous
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Quiet-Flow SS Exhaust Muffler 21411

The Walker Quiet-Flow SS Exhaust Muffler 21411 is designed specifically for Buick Rendezvous models, providing a precise fit and reliable performance. Crafted with durable stainless steel and an aluminized finish, this muffler offers long-lasting corrosion resistance and consistent exhaust flow.

  • Specific fit for Buick Rendezvous
  • Oval-shaped muffler body measuring 11 inches wide and 5.5 inches high
  • Overall length of 37.63 inches with a 27-inch body length
  • Single inlet and outlet with 2.25-inch inside diameter pipe connections
  • Constructed from stainless steel with aluminized finish for durability
  • Center inlet with 2 bolt welded flange for secure attachment
  • Offset outlet configuration for optimized exhaust routing
  • Combination muffler type designed for balanced sound and performance

Detailed Product Description

The Walker Quiet-Flow SS 21411 exhaust muffler is engineered to meet the specific requirements of the Buick Rendezvous, ensuring a direct fit without modification. Its oval body shape and precise dimensions allow for seamless integration into the vehicle's exhaust system. The muffler features a single center inlet with a 2 bolt welded flange, providing a secure and leak-resistant connection. The outlet is offset with a 2.25-inch inside diameter pipe connection, facilitating proper exhaust flow and alignment.

Constructed from stainless steel, this muffler resists rust and corrosion, while the aluminized finish adds an extra layer of protection against environmental elements. The combination muffler design balances noise reduction with exhaust efficiency, maintaining vehicle performance while reducing unwanted sound.

Walker Quiet-Flow SS Product Line

The Quiet-Flow SS line by Walker focuses on delivering exhaust mufflers that combine stainless steel durability with sound control technology. This product line is tailored for specific vehicle applications, such as the Buick Rendezvous, to ensure proper fitment and reliable operation. The 21411 muffler exemplifies the Quiet-Flow SS commitment to quality materials and precise engineering.

Common Applications and Problem Solving

  • Replacement for worn or damaged mufflers on Buick Rendezvous
  • Reduction of excessive exhaust noise and vibration
  • Restoration of proper exhaust flow to maintain engine performance
  • Prevention of exhaust leaks due to rust or corrosion
  • Improvement of vehicle emissions control by maintaining exhaust system integrity

Installation Notes and Tips

This muffler is designed for a specific fit on Buick Rendezvous models, featuring a 2 bolt welded flange inlet for straightforward installation. Ensure all connections are properly sealed to prevent exhaust leaks. Due to the non-reversible and non-tunable design, verify correct orientation before final mounting. Professional installation is recommended to maintain system integrity and performance.

Quality Assurance and Warranty

Walker manufactures the Quiet-Flow SS 21411 muffler with high-grade stainless steel and aluminized finish to ensure durability and resistance to corrosion. While specific warranty details are not provided, Walker products typically meet industry standards for quality and reliability, supporting long-term use in compatible Buick Rendezvous vehicles.

BrandWalker
Part Number21411
PositionQuiet-Flow SS
Universal Or Specific FitSpecific
ShapeOval
Grade TypeRegular
Body Width11
Inlet Quantity1
Outlet Inside Diameter2.25
Outlet Quantity1
ReversibleNo
TunableNo
Overall Length37.63
Body Height5.5
Body Length27
Body MaterialStainless steel
FinishAluminized
Inlet 1 Type2 bolt welded flange
Inlet ConfigurationCenter
Inlet Type2 bolt welded flange
Muffler TypeCombination
Outlet 1 Inside Diameter2.25
Outlet 1 TypePipe connection
Outlet ConfigurationOffset
Outlet TypePipe connection

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007BuickRendezvous3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006BuickRendezvous3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006BuickRendezvous3.6LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005BuickRendezvous3.4LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005BuickRendezvous3.6LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004BuickRendezvous3.4LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004BuickRendezvous3.6LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003BuickRendezvous3.4LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002BuickRendezvous3.4LV6N/APremium; 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:

181622117

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