Walker Exhaust P/N:18979

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$101.99

MPN: 18979

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Walker Exhaust P/N:18979

$101.99

Description

Quiet your exhaust and bring back factory-style sound with the Walker SoundFX Direct-Fit Exhaust Muffler 18979. It's a direct-fit, bolt-on replacement for the 2005-2008 Ford Escape, 2005-2006 and 2008 Mazda Tribute, and 2005-2008 Mercury Mariner — see the Buyer's Guide tab for engine-specific applications.

Aluminized steel build: Engineered with 100% aluminized steel for longer service life compared to low-carbon steel, plus an internal drainage system that helps reduce corrosion.
Factory sound: Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes.
Built to last: Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion, while spun-locked heads and OE-style spot welds provide stability.
Easy to install: Bolts in like the original, using pipe routings, hangers and brackets in the OE style so installation doesn't require specialized fabrication or welding.

Mechanical interior joints add durability, and the spun-locked heads help resist rupture from backfires — delivering the quality appearance and favorable acoustics Walker SoundFX mufflers are designed for.

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

This part cross-references / interchanges with the following part numbers:

2411, 700458

Frequently Asked Questions

What vehicles does the Walker 18979 muffler fit?

It's a direct-fit replacement for the 2005-2008 Ford Escape, 2005-2006 and 2008 Mazda Tribute, and 2005-2008 Mercury Mariner. Check the Buyer's Guide tab for engine-specific details.

Does installing this muffler require welding?

No. It's a direct-fit, bolt-on replacement that uses pipe routings, hangers and brackets in the OE style, so installation doesn't require specialized fabrication or welding.

What is the muffler made of?

It's built with 100% aluminized steel for longer service life compared to low-carbon steel, and includes an internal drainage system that helps reduce corrosion.

Will it sound like the factory muffler?

It's designed for factory-style sound quality. The louvered tubes help reduce radiated noise compared to straight perforated tubes for favorable acoustics.

What are signs my muffler may need replacing?

Common signs include louder or raspier exhaust, internal rattling from broken baffles, and visible rust or holes in the muffler body. Diagnose the cause before replacing.