Quiet the drone and keep spent gases flowing freely with the Walker Quiet-Flow SS Exhaust Muffler Assembly 54681 — a direct-fit bolt-on replacement for the 1999-2002 Toyota 4Runner. It bolts into the factory location using its factory-style hangers, brackets and routings, so no specialized fabrication or welding is required.
Acoustic- and flow-tested for OE-style sound, and backed by Walker's Limited Lifetime Warranty plus the 90-Day Safe and Sound Guarantee.
Interchange: 1740362170 · 1740375150
This part cross-references / interchanges with the following part numbers:
What vehicle does this muffler fit?
It is a direct-fit replacement for the 1999-2002 Toyota 4Runner. Check the Buyer's Guide tab to confirm the exact match for your vehicle.
What are the inlet and outlet sizes?
This assembly has a 2.25" (OD) offset inlet and a 2.25" (OD) offset outlet.
Does installation require welding?
No. It is a direct-fit bolt-on replacement with OE-style hangers, brackets and pipe routings, so it installs without specialized fabrication or welding.
What is the muffler made of?
It uses Walker's Quiet-Flow SS 100% stainless-steel construction, which is designed to deliver longer service life than typical aluminized mufflers.
What are signs my muffler may need replacing?
Louder or droning exhaust, rattling or hissing, and visible rust or perforation in the body are common signs the muffler may need to be replaced. Diagnose the cause before ordering.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
