HomeExhaust > MufflersBosal 280-663 Exhaust Muffler Assembly - Rear Left
Part #: 280-663

Bosal 280-663 Exhaust Muffler Assembly - Rear Left

BRExhaust Direct-Fit Exhaust Muffler Assembly, Rear Left
8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
BRExhaust Direct-Fit Exhaust Muffler Assembly, Rear Left
Fitment: Audi, A4 Quattro
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Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Bosal BRExhaust Direct-Fit Muffler Assembly

The Bosal BRExhaust Direct-Fit Exhaust Muffler Assembly 280-663 is designed specifically for Audi A4 Quattro models. This aluminized steel muffler assembly offers a direct-fit solution to replace worn or damaged exhaust components, ensuring proper exhaust flow and noise reduction.

  • Aluminized steel construction for corrosion resistance
  • Oval muffler shape with dimensions: 11.75" length, 7.75" width, 4" height
  • Inlet diameter of 2.125" with sleeved inlet type
  • Single inlet and outlet configuration
  • Outlet tip diameter of 3" for proper exhaust discharge
  • Overall length of 36" for direct-fit installation
  • Compatible with Audi A4 Quattro exhaust systems

Detailed Product Description

This Bosal muffler assembly, part number 280-663, is constructed from aluminized steel, providing durability and resistance to rust and corrosion common in exhaust components. The oval-shaped muffler body measures 11.75 inches in length, 7.75 inches in width, and 4 inches in height, designed to fit precisely within the exhaust system of the Audi A4 Quattro. The inlet features a sleeved type with an inside diameter of 2.125 inches, while the outlet tip has an outside diameter of 3 inches, ensuring proper connection and exhaust flow. With a single inlet and outlet, this muffler assembly maintains the original exhaust configuration for a direct-fit replacement.

The BRExhaust Direct-Fit Exhaust Muffler Assembly product line focuses on providing exact-fit exhaust components that simplify installation and maintain factory performance. This line is engineered to meet the specifications of specific vehicle models, such as the Audi A4 Quattro, reducing the need for modifications or additional parts.

Common Applications and Problem Solving

  • Replacement of rusted or damaged mufflers on Audi A4 Quattro vehicles
  • Restoring proper exhaust flow and reducing excessive noise
  • Addressing exhaust leaks caused by worn muffler assemblies
  • Maintaining emissions compliance by ensuring exhaust integrity
  • Improving overall vehicle exhaust system performance

Installation Notes and Tips

The Bosal 280-663 muffler assembly is designed for direct-fit installation on Audi A4 Quattro models, matching OEM specifications. Ensure the existing exhaust system is inspected for damage or corrosion before installation. Proper alignment of the inlet and outlet connections is critical to avoid exhaust leaks. Use appropriate clamps or welding methods as required by the vehicle’s exhaust setup. Professional installation is recommended for best results.

Quality Assurance and Warranty

Bosal manufactures this muffler assembly with aluminized steel to provide long-lasting durability and corrosion resistance. While specific warranty details are not provided, Bosal products typically meet industry standards for quality and reliability. Using a direct-fit part like the 280-663 helps maintain the integrity of the Audi A4 Quattro exhaust system.

BrandBosal
Part Number280-663
PositionBRExhaust Direct-Fit Exhaust Muffler Assembly, Rear Left
FinishAluminized
Inlet TypeSleeved
Outlet TypeTip
Inlet Inside Diameter2.125
Body Height4
Body Length11.75
Muffler MaterialAluminized steel
Muffler ShapeOval
Overall Length36
Body Width7.75
Inlet Quantity1
Outlet Outside Diameter3
Outlet Quantity1
Pipe MaterialAluminized steel
SeriesDirect-fit exhaust
SubtitleDirect-fit
TitleDirect-fit premium muffler assembly

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008AudiA4 Quattro2.0LL4Rear LeftRear Silencer - Left; Aftermarket Design; BRExhaust Direct-Fit Exhaust Muffler Assembly
2008AudiA4 Quattro3.2LV6Rear LeftRear Silencer - Left; Aftermarket Design; BRExhaust Direct-Fit Exhaust Muffler Assembly
2007AudiA4 Quattro2.0LL4Rear LeftRear Silencer - Left; Aftermarket Design; BRExhaust Direct-Fit Exhaust Muffler Assembly
2007AudiA4 Quattro3.2LV6Rear LeftRear Silencer - Left; Aftermarket Design; BRExhaust Direct-Fit Exhaust Muffler Assembly
2006AudiA4 Quattro2.0LL4Rear LeftRear Silencer - Left; Aftermarket Design; BRExhaust Direct-Fit Exhaust Muffler Assembly
2006AudiA4 Quattro3.2LV6Rear LeftRear Silencer - Left; Aftermarket Design; BRExhaust Direct-Fit Exhaust Muffler Assembly
2005AudiA4 Quattro2.0LL4Rear LeftRear Silencer - Left; Aftermarket Design; Split Date From: From 1/1/2005; BRExhaust Direct-Fit Exhaust Muffler Assembly
2005AudiA4 Quattro3.2LV6Rear LeftRear Silencer - Left; Aftermarket Design; Split Date From: From 1/1/2005; BRExhaust Direct-Fit Exhaust Muffler Assembly

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