Walker 50450 Exhaust Y Pipe - Rear

Brand Walker 50450
Position Rear
Inlet Outside Diameter 2
Outlet Outside Diameter 1.75
Length 42.5
Grade Type Regular
Bend Type Compression
Finish Aluminized
Inlet Quantity 1
Inlet Type Pipe connection
Material Steel
Mounting Hardware Included No
Outlet Quantity 2
Outlet Type 2 bolt welded flange
Pipe Wall Thickness 0.05
Universal Or Specific Fit Specific
Fits Acura · 3 vehicles

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

Aluminized steel. Built from steel with an aluminized finish for added durability.

2-bolt welded flange. Exhaust pipe connection with a welded flange for secure attachment.

Cross-references Dorman - HELP 93130, 800-031 and AC2706 for the same application. See all 3.

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Walker 50450 Rear Exhaust Y Pipe

Walker 50450 is a rear exhaust Y pipe built from aluminized steel for durability and a precise OE-style fit. It is made for 2004-2006 Acura MDX rear applications and uses a pipe connection inlet with dual 2-bolt welded flange outlets for a direct exhaust connection.

Key Features

  • Aluminized steel construction for corrosion resistance and long-term service
  • Precision-formed with compression bends for accurate routing
  • Fixture-checked for fitment consistency during manufacturing
  • 1 inlet with a 2-inch outside diameter
  • 2 outlets with 1.75-inch outside diameter and 2-bolt welded flange connections
  • Specific fit for rear exhaust service on 2004-2006 Acura MDX

Product Details

This Walker exhaust Y pipe, part number 50450, is engineered for rear exhaust replacement on the 2004-2006 Acura MDX. The aluminized steel body and 0.05-inch wall thickness provide a practical balance of strength and service life, while the precision-bent layout helps maintain proper exhaust flow and alignment. For buyers searching for a rear exhaust Y pipe for Acura MDX 2004-2006 or a Walker 50450 replacement exhaust pipe, this part matches the listed vehicle application and connection style.

This part cross-references Dorman - HELP 93130 for the same application.

Common Repair Uses

  • Repairing a rusted or leaking rear exhaust section
  • Replacing a damaged Y pipe with flange connection wear
  • Restoring exhaust routing after corrosion at the rear pipe assembly
  • Addressing exhaust noise caused by cracks or separation in the pipe

Installation Notes

Verify inlet and outlet diameters, flange style, and rear position before installation. This is a specific-fit exhaust component for the listed Acura MDX years, so compare the existing pipe layout and welded assembly configuration before ordering. If the original assembly is welded, replace all required related parts during service to ensure proper alignment and sealing.

Quality Assurance

Walker manufactures this pipe with precision benders and fixture checks to support consistent fitment and installation. The aluminized steel finish is selected for durability in exhaust service, and the part is built to match the specified rear application for the 2004-2006 Acura MDX.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006AcuraMDX3.5LV6RearIf welded assembly, replace all required parts
2005AcuraMDX3.5LV6RearIf welded assembly, replace all required parts
2004AcuraMDX3.5LV6RearIf welded assembly, replace all required parts
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 93130800-031AC2706