Tame exhaust drone and keep gases flowing cleanly with the Walker Quiet-Flow SS Exhaust Muffler Assembly 55529. It drops in as a direct-fit, bolt-on replacement for the 2005-2012 Nissan Pathfinder and 2005-2015 Nissan Xterra, with a 2" inlet (ID) and 2.25" outlet (OD). See the "Vehicles it fits" section for engine-level fitment.
- Corrosion-resistant stainless steel: a 100% stainless-steel body delivers longer life than aluminized mufflers, and an internal drainage system reduces moisture collection.
- Easy to install: a bolt-on solution with factory-style pipe routings, brackets and hangers, so no specialized fabrication or welding is required.
- Built to last: internal partitions and mechanically joined tubes allow expansion and contraction across temperature swings to minimize distortion, while spun-locked heads and OE-style spot welds add stability.
- Premium acoustic control: OE-style louvered tubes lower noise levels and OE-style domed heads help reduce radiated noise for factory-style sound quality.
Acoustic- and flow-tested for OE-style sound, it's backed by Walker's limited lifetime warranty and exclusive 90-Day Safe and Sound Guarantee.
Interchange: 20100EA210 · 20100ZL00A
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the Walker 55529 muffler fit?
It's a direct-fit replacement for the 2005-2012 Nissan Pathfinder and 2005-2015 Nissan Xterra. Check the "Vehicles it fits" section to confirm the exact fit for your vehicle.
What are the inlet and outlet sizes?
This muffler assembly has a 2" inlet (ID) and a 2.25" outlet (OD).
Is welding required to install this muffler?
No welding is needed. It's a bolt-on, direct-fit design with factory-style pipe routings, brackets and hangers, so it installs without specialized fabrication.
What is the muffler body made of?
The body uses 100% stainless-steel construction, which resists corrosion and delivers longer life than aluminized mufflers. An internal drainage system also reduces moisture collection.
How does it control exhaust noise?
OE-style louvered tubes help lower noise levels and OE-style domed heads help reduce radiated noise, delivering factory-style sound quality. It is acoustic- and flow-tested.
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