Walker 55726 Exhaust Resonator and Pipe Assembly - Rear

Walker 55726 Exhaust Resonator and Pipe Assembly

Walker 55726 is an exhaust resonator and pipe assembly built for rear placement on select Nissan Pathfinder and INFINITI applications. It uses tuned resonator design and OE-style sound characteristics to restore factory-like exhaust flow and tone.

• Aluminized steel construction for corrosion resistance
• Steel pipe material with a 60-inch overall length
• Round resonator body measuring 10 inches long, 4 inches high, and 4 inches wide
• 2.75-inch outlet outside diameter with spout-style outlet
• Single inlet with 2-bolt welded flange connection
• Designed to match original-system fit, performance, and sound

OE-Style Fit and Sound

This Walker resonator assembly is engineered to follow the original exhaust layout and sound profile for rear-mounted applications. It is a direct-fit style solution for 2013-2020 Nissan Pathfinder rear, 2014-2017 INFINITI QX60 rear, and 2013 INFINITI JX35 rear from 06/2013. The Walker 55726 helps maintain proper exhaust flow while supporting a factory-like exhaust note on the Nissan Pathfinder and related INFINITI models.

This part cross-references Nissan 203503JA0A and 203509NF0A for the same application.

What This Part Helps Address

• Exhaust resonance or unwanted cabin noise from a worn rear resonator
• Restricted exhaust flow caused by internal deterioration
• Corrosion-related failure in the rear exhaust section
• Fitment issues when replacing an OE-style resonator and pipe assembly
• Restoring factory exhaust tone on Pathfinder and INFINITI rear exhaust systems

Installation Notes and Tips

Verify rear-position fitment, inlet flange style, outlet diameter, and overall length before installation. This assembly uses a 2-bolt welded flange inlet and a spout outlet, so matching the existing exhaust connection points is important for proper alignment. Confirm vehicle application by year, make, model, and build date where noted, especially for the 2013 INFINITI JX35 from 06/2013.

Quality Assurance

Walker designs this resonator assembly to fit, perform, and sound like the original system, using precise tuning methods to support OE-style exhaust characteristics and consistent flow.