Walker 47722 Exhaust Resonator and Pipe Assembly

Walker 47722 Exhaust Resonator Assembly

Walker 47722 is an exhaust resonator and pipe assembly built for OE-style fit, sound, and flow. It is engineered with aluminized steel construction and welded 2-bolt flanges to match the original exhaust layout on select Infiniti and Nissan applications.

• Part number: 47722
• Exhaust resonator and pipe assembly for OE-style replacement
• Steel body and steel pipe construction
• Aluminized finish for added corrosion resistance
• Round resonator body: 18 in. length, 5 in. height, 5 in. width
• Overall length: 73.5 in.
• 1 inlet and 1 outlet with 2-bolt welded flange connections

OE-Style Fit and Sound

Walker designs this resonator to match the original system’s fit, performance, and sound characteristics. The tuned internal design supports smooth exhaust flow while helping maintain the factory sound profile on vehicles such as the 1999 Infiniti I30 and 1999 Nissan Maxima. The Walker 47722 also cross-references AP Exhaust 78196 for the same application.

Vehicle Fitment

• Fits 1999 Infiniti I30, with California Emission System.
• Fits 1999 Nissan Maxima, before 03/1999; with California Emission System.
• Fits 1996 Infiniti I30, after 07/1996.
• Fits 1995-1996 Nissan Maxima.

What It Helps Address

• Exhaust resonance or unwanted cabin drone
• Rust-related failure in the resonator or pipe section
• Cracked or leaking flange connections
• Restricted exhaust flow from a worn resonator assembly
• Factory exhaust sound that has changed over time

Installation Notes

Verify flange style, overall length, and emission-system requirements before installation. This Walker 47722 assembly uses 2-bolt welded flange inlet and outlet connections, so the existing exhaust layout must match the OE configuration for proper fitment. Confirm vehicle build date and California Emission System application details for the listed Infiniti I30 and Nissan Maxima models.

Quality Assurance

Walker uses precise tuning methods to help this resonator deliver OE-style sound and consistent exhaust flow. The aluminized steel construction supports long-term service in a direct replacement exhaust application.