HomeExhaust > MufflersBosal 278-025 Exhaust Muffler Assembly - Rear
Part #: 278-025

Bosal 278-025 Exhaust Muffler Assembly - Rear

BRExhaust Direct-Fit Exhaust Muffler Assembly, Rear
12 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
Fitment: INFINITI and Nissan, I30, I35, and Maxima
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Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Bosal BRExhaust Direct-Fit Exhaust Muffler Assembly

The Bosal BRExhaust Direct-Fit Exhaust Muffler Assembly 278-025 is designed specifically for select INFINITI and Nissan models, including the I30, I35, and Maxima. This aluminized steel muffler assembly offers a precise fit and reliable performance for your vehicle's exhaust system.

  • Aluminized steel construction for corrosion resistance
  • Oval-shaped muffler body measuring 18.75 inches in length and 10.5 inches in width
  • Flanged inlet with two bolt holes for secure attachment
  • Dual outlet design with 2-inch outside diameter tips
  • Overall length of 48 inches for direct-fit installation
  • Compatible with INFINITI I30, I35 and Nissan Maxima models
  • Part number 278-025 for accurate identification

Product Line Details: BRExhaust Direct-Fit Exhaust Muffler Assembly

The BRExhaust Direct-Fit Exhaust Muffler Assembly line by Bosal focuses on providing exact replacement mufflers engineered to match original equipment specifications. This product line emphasizes direct-fit designs that simplify installation and maintain factory exhaust routing and performance. The 278-025 muffler assembly is part of this series, ensuring compatibility and durability for your INFINITI or Nissan vehicle.

Detailed Product Description

This exhaust muffler assembly features an aluminized steel body and pipe material, which offers enhanced resistance to rust and corrosion compared to standard steel. The oval-shaped muffler body measures 6.25 inches in height, 18.75 inches in length, and 10.5 inches in width, providing an optimal balance between sound attenuation and exhaust flow. The inlet is flanged with two bolt holes, allowing for a secure and leak-free connection to the exhaust system. The assembly includes two outlet tips, each with a 2-inch outside diameter, designed to fit the original exhaust configuration on compatible vehicles. With an overall length of 48 inches, this muffler assembly is engineered for a direct-fit replacement on INFINITI I30, I35, and Nissan Maxima models, ensuring proper fitment without modification.

Common Applications and Problem Solving

  • Replacement for damaged or rusted mufflers on INFINITI I30, I35, and Nissan Maxima
  • Restores proper exhaust flow and reduces excessive noise
  • Addresses exhaust leaks caused by worn or cracked muffler components
  • Helps maintain emissions compliance by ensuring exhaust system integrity
  • Improves vehicle performance by restoring factory exhaust backpressure

Installation Notes and Tips

Installation of the Bosal 278-025 muffler assembly requires removal of the existing muffler and proper alignment of the flanged inlet with the exhaust pipe. Ensure the two inlet flange bolt holes align correctly for a secure fit. Use appropriate gaskets and hardware (not included) to prevent exhaust leaks. Due to the direct-fit design, no modifications to the exhaust system are typically necessary. It is recommended to inspect surrounding exhaust components during installation for wear or damage.

Quality Assurance and Warranty

Bosal manufactures the BRExhaust Direct-Fit Exhaust Muffler Assembly 278-025 to meet or exceed OEM standards for durability and fitment. The aluminized steel construction provides corrosion resistance suitable for extended service life. While specific warranty details are not provided here, Bosal products generally come with manufacturer-backed quality assurance. For warranty information, consult the product documentation or contact the manufacturer directly.

BrandBosal
Part Number278-025
PositionBRExhaust Direct-Fit Exhaust Muffler Assembly, Rear
FinishAluminized
Inlet TypeFlanged
Outlet TypeTip
Body Height6.25
Body Length18.75
Muffler MaterialAluminized steel
Muffler ShapeOval
Overall Length48
Body Width10.5
Inlet Flange Bolt Hole Quantity2
Inlet Quantity1
Outlet Outside Diameter2
Outlet Quantity2
Pipe MaterialAluminized steel
SeriesDirect-fit exhaust
SubtitleDirect-fit
TitleDirect-fit premium muffler assembly

This part fits 12 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2004INFINITII353.5LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
2003INFINITII353.5LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
2003NissanMaxima3.5LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
2002INFINITII353.5LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
2002NissanMaxima3.5LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
2001INFINITII303.0LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
2001NissanMaximaGLE3.0LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
2001NissanMaximaGXE3.0LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
2001NissanMaximaSE3.0LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
2000INFINITII303.0LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
2000NissanMaxima3.0LV6RearRear Silencer; Straight Outlet; BRExhaust Direct-Fit Exhaust Muffler Assembly
1999NissanMaxima3.0LV6RearRear Silencer; Straight Outlet; Split Date From: From 4/1/1999; BRExhaust Direct-Fit Exhaust Muffler Assembly

* 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:

20100-3Y32020100-3Y37020100-3Y38020100-3Y70020100-40U1520100-40U1620100-40U2520100-5Y700

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