Walker Exhaust P/N:21567
Quiet your exhaust and keep a factory-style sound with the Walker SoundFX Direct-Fit Exhaust Muffler 18929. It drops in as a direct-fit, bolt-on replacement for the 2002-2005 Ford Explorer and 2002-2005 Mercury Mountaineer, with a 2.25" inside-diameter (ID) inlet and 2.25" inside-diameter (ID) outlet. Built with 100% aluminized steel for longer service life compared to low-carbon steel, it uses mechanical interior joints and spun-locked heads for durability and stability.
Designed and tested to extend muffler life, the SoundFX 18929 helps manage exhaust noise on the listed applications. Check the Buyer's Guide tab to confirm the exact engine and configuration for your vehicle.
This part cross-references / interchanges with the following part numbers:
What vehicles does the Walker 18929 muffler fit?
It's a direct-fit replacement for the 2002-2005 Ford Explorer and 2002-2005 Mercury Mountaineer. Confirm your exact engine and configuration in the Buyer's Guide tab.
What are the inlet and outlet sizes?
Both the inlet and the outlet measure 2.25" inside diameter (ID).
What is this muffler made of?
It's built with 100% aluminized steel and includes an internal drainage system, which helps reduce corrosion for longer service life compared to low-carbon steel.
Does installation require welding?
No. It's a direct-fit bolt-on replacement with OE-style hangers, brackets and pipe routings, so no specialized fabrication or welding is needed.
Will it sound like the factory muffler?
Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes.
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.