Walker Exhaust Exhaust Resonator and Pipe Assembly P/N:47784
Walker Exhaust 56166 exhaust resonator and pipe assembly for the 2004-2006 Toyota Sienna V6 3.3L and the 2007-2010 Sienna V6 3.5L is tuned for exhaust flow and OE-style sound. It is designed to fit, perform and sound like the original system.
A louder exhaust note, a rattle from underneath or rust holes in the pipe can mean this assembly is worn. A worn muffler, a leaking joint gasket or a loose hanger can be behind those signs too, so find the cause before buying.
Direct fit for the 2004-2006 Toyota Sienna V6 3.3L and the 2007-2010 Sienna V6 3.5L.
Fit and size
Build and materials
One resonator and pipe assembly. The 2004-2006 Sienna V6 3.3L and the 2007-2010 Sienna V6 3.5L each take one.
Interchange: 174200A251 · 174200A252 · 174200P080
This part cross-references / interchanges with the following part numbers:
Does the Walker Exhaust 56166 resonator and pipe assembly fit the 2007-2010 Toyota Sienna V6 3.5L?
Yes. Walker Exhaust 56166 is a direct-fit part for the 2004-2006 Toyota Sienna V6 3.3L and the 2007-2010 Sienna V6 3.5L, and each takes one.
What size is the inlet on this resonator and pipe assembly?
Walker Exhaust 56166 has a 2.375 in inlet and a 2.250 in outlet with a 2-bolt welded flange connection. Overall length is 70 in.
Is this resonator and pipe assembly made of aluminized steel?
Yes. The body and pipe are steel with an aluminized finish, which helps reduce corrosion.
How can I tell if my resonator and pipe assembly is worn out?
A louder exhaust note, a rattle from underneath or visible rust holes in the pipe can mean the assembly is worn. A shop can inspect the exhaust and find the cause.
Does Walker Exhaust 56166 replace part number 174200A251?
Yes. 174200A251 is one of the numbers Walker Exhaust 56166 replaces, along with 174200A252 and 174200P080.
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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.