Walker 54521 Exhaust Y Pipe

Brand Walker 54521
Bend Type Compression
Finish Aluminized
Grade Type Regular
Inlet Type 3 Bolt Welded Flange
Length 39
Material Steel
Mounting Hardware Included no
Outlet Type 2 Bolt Welded Flange
Pipe Wall Thickness 0.06
Universal Or Specific Fit Specific
Fits INFINITI and Nissan · 5 vehicles

Specific fit. Precision-checked for a precise fit and quick, easy installation.

Aluminized steel. Built for durability with a corrosion-resistant finish.

Exhaust Y pipe. Connects exhaust flow through a welded-flange pipe design.

Cross-references BRExhaust 800-069 and 48710 for the same application. See all 2.

$437.63Free shipping
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Walker 54521 Exhaust Y Pipe for Select Nissan and INFINITI

Walker 54521 is a specific-fit exhaust Y pipe built for select 2002-2004 INFINITI I35 and 2002-2003 Nissan Maxima applications. Made from aluminized steel, it uses precision bending and fixture checking to support a direct-fit installation and consistent exhaust routing.

Key Features

  • Specific-fit exhaust Y pipe for confirmed vehicle applications
  • Aluminized steel construction for corrosion resistance and durability
  • 39-inch overall length
  • Compression bend type for formed exhaust routing
  • 3-bolt welded flange inlet design
  • 2-bolt welded flange outlet design
  • Regular grade construction with 0.06-inch pipe wall thickness

Detailed Description

Walker 54521 exhaust Y pipe is engineered for exhaust system repair on 2002-2004 INFINITI I35 and 2002-2003 Nissan Maxima models. The aluminized steel construction helps resist everyday exhaust heat and corrosion, while the precision-formed bends and fixture-checked fitment support accurate alignment during replacement. This part cross-references BRExhaust 800-069 for the same application.

Use Walker 54521 when replacing a damaged or rusted Y pipe in the exhaust and tail pipe section. The welded flange connections and specific-fit design help maintain proper exhaust flow and simplify matching the original routing on the vehicle.

What It Helps Fix

  • Exhaust leaks caused by rusted or cracked Y pipe sections
  • Broken or warped flange connections at the exhaust junction
  • Restricted exhaust flow from damaged pipe routing
  • Noise from failing exhaust joints on INFINITI I35 and Nissan Maxima models
  • Fitment issues during exhaust system repair on the listed applications

Installation Notes and Tips

Fits 2002-2004 INFINITI I35, N/A. Fits 2002-2003 Nissan Maxima, N/A. Verify flange style, pipe routing, and vehicle application before installation. Because mounting hardware is not included, reuse or source the required hardware separately as needed for the repair.

Quality Assurance

Walker manufactures this pipe with precision benders and fixture checks to help ensure consistent fitment and installation accuracy. The aluminized steel construction and welded flange design reflect a replacement part built for dependable exhaust service on the listed vehicles.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004INFINITII353.5LV6N/A—
2003INFINITII353.5LV6N/A—
2003NissanMaxima3.5LV6N/A—
2002INFINITII353.5LV6N/A—
2002NissanMaxima3.5LV6N/A—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BRExhaust — 800-06948710