Replace a worn muffler and help keep exhaust noise in check with the Walker Quiet-Flow SS Exhaust Muffler Assembly 53824. This direct-fit, OE-style replacement bolts on for the 2009-2018 Nissan Altima (L4-2.5L) and the 2009-2012 Nissan Altima (V6-3.5L), with no specialized fabrication or welding required.
Its 100% stainless-steel body — heads, shell, bushings, louvered tubes and partitions — is built to outlast typical aluminized mufflers, and an internal drainage system helps reduce moisture buildup inside the shell.
Backed by Walker's limited lifetime warranty and 90-day Safe and Sound guarantee. Gaskets and seals are not included. Made in the United States.
Interchange: 20100ZN50A · 20100ZN70A
This part cross-references / interchanges with the following part numbers:
Which vehicles does the Walker 53824 muffler fit?
It's a direct-fit replacement for the 2009-2018 Nissan Altima with the L4-2.5L engine and the 2009-2012 Nissan Altima with the V6-3.5L engine. See the Buyer's Guide tab to confirm your vehicle.
What are the inlet and outlet sizes?
It has a 2" offset inlet measured by inside diameter and a 2.25" offset outlet measured by outside diameter, both pipe connections on an oval body about 25.375" long.
Is the 53824 muffler made of stainless steel?
Yes. It features 100% stainless-steel construction—heads, shell, bushings, louvered tubes and partitions—which delivers longer life than typical aluminized mufflers.
Does it come with gaskets or seals?
No, gaskets and seals are not included. Consult the vehicle service information for the correct clamps and fasteners and whether any may be reused.
What warranty covers this Walker muffler?
It's backed by Walker's limited lifetime warranty and an exclusive 90-day Safe and Sound guarantee. Visit Walkerexhaust.com for full details.
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.
