{"product_id":"walker-18940-exhaust-muffler-rear","title":"Walker 18940 Exhaust Muffler - Rear","description":"\u003ch2\u003eWalker SoundFX Direct Fit Muffler for Focus\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit muffler Part Number 18940 is built for a direct replacement on select Ford Focus rear exhaust applications. It combines an oval steel body with aluminized finish for a clean OE-style appearance and durable service life.\u003c\/p\u003e\u003cp\u003eFor drivers searching for a Ford Focus rear muffler replacement, this Walker SoundFX 18940 exhaust muffler is engineered to match the listed fitment and maintain favorable exhaust acoustics.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit exhaust muffler for specific vehicle application\u003c\/li\u003e\n\u003cli\u003eFits 2000-2004 Ford Focus, rear\u003c\/li\u003e\n\u003cli\u003eOval muffler body with 35.75-inch overall length\u003c\/li\u003e\n\u003cli\u003e2-inch inlet and 2-inch outlet with pipe connection inlet and tip outlet\u003c\/li\u003e\n\u003cli\u003eAluminized steel construction for longer service life than low-carbon steel\u003c\/li\u003e\n\u003cli\u003eMechanical interior joints and spun-locked heads for added durability\u003c\/li\u003e\n\u003cli\u003eWalker SoundFX Direct Fit line focuses on OE-style fit and controlled exhaust sound\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit Part Number 18940 is a combination-type exhaust muffler designed for specific rear fitment on the 2000-2004 Ford Focus. The oval steel body measures 9.75 inches wide, 4.25 inches high, and 9 inches in body length, with an offset inlet configuration and offset outlet configuration to match the listed application. The aluminized finish helps resist corrosion, while the internal construction is built for durability and consistent exhaust flow characteristics.\u003c\/p\u003e\u003cp\u003eThe SoundFX Direct Fit product line is aimed at replacement buyers who want a straightforward muffler swap without changing the vehicle’s exhaust layout. If you need a Ford Focus rear muffler replacement, Walker 18940 provides a direct-fit option for the 2000-2004 Ford Focus and is also cross-referenced to AP Exhaust 7453 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRust-through or corrosion in the original rear muffler\u003c\/li\u003e\n\u003cli\u003eExhaust noise caused by a damaged muffler shell or internal failure\u003c\/li\u003e\n\u003cli\u003eRestricted exhaust flow from a deteriorated muffler assembly\u003c\/li\u003e\n\u003cli\u003eFitment issues when replacing a worn OE-style rear muffler\u003c\/li\u003e\n\u003cli\u003eNeed for a direct-fit replacement on a 2000-2004 Ford Focus\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the vehicle is a 2000-2004 Ford Focus with rear muffler placement before ordering. Match the 2-inch inlet and 2-inch outlet dimensions, along with the offset inlet and outlet configuration, to the existing exhaust layout. Because this is a specific-fit muffler, compare the overall length and body dimensions to the original part before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker uses 100% aluminized steel in this SoundFX Direct Fit muffler to improve service life compared with low-carbon steel. Mechanical interior joints and spun-locked heads are used to support durability in everyday exhaust service.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071736049845,"sku":"BDCN-18940","price":123.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_18940_Fro.jpg?v=1775141961","url":"https:\/\/www.partcatalog.com\/products\/walker-18940-exhaust-muffler-rear","provider":"PartCatalog","version":"1.0","type":"link"}