{"product_id":"walker-18899-exhaust-muffler","title":"Walker 18899 Exhaust Muffler","description":"\u003ch2\u003eWalker SoundFX Direct Fit Muffler for Sentra\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit muffler Part Number 18899 is a specific-fit exhaust muffler for select 2000-2006 Nissan Sentra applications. It uses an oval steel body with an aluminized finish to help extend service life, while the direct-fit layout supports a clean replacement for the original exhaust component.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit exhaust muffler for select Nissan Sentra models\u003c\/li\u003e\n\u003cli\u003eOval body design with 11-inch body width and 5.5-inch body height\u003c\/li\u003e\n\u003cli\u003e100% aluminized steel construction for improved corrosion resistance versus low-carbon steel\u003c\/li\u003e\n\u003cli\u003eMechanical interior joints and spun-locked heads for added durability\u003c\/li\u003e\n\u003cli\u003eSingle inlet and single outlet configuration\u003c\/li\u003e\n\u003cli\u003e2-bolt welded flange inlet with offset inlet configuration\u003c\/li\u003e\n\u003cli\u003e1.75-inch outlet diameter with tip-style outlet\u003c\/li\u003e\n\u003cli\u003eWalker SoundFX Direct Fit product line for OE-style replacement applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker 18899 is built as a combination-type muffler with a 17-inch body length and 32.75-inch overall length, making it a direct replacement option for exhaust service on the 2000-2006 Nissan Sentra. The aluminized steel body and aluminized finish are selected for longer service life, while the internal construction is designed to maintain a quality appearance and controlled exhaust acoustics. This part cross-references AP Exhaust 700424 and BRExhaust 145-709 for the same application.\u003c\/p\u003e\u003cp\u003eThe SoundFX Direct Fit line focuses on OE-style fitment and straightforward replacement geometry. For buyers searching for a Walker muffler for Nissan Sentra 2000-2006, Walker 18899 provides the correct offset inlet and offset outlet layout with a 1.75-inch outlet size, helping match the original exhaust routing and connection points.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Muffler Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRust-through or corrosion in the original muffler body\u003c\/li\u003e\n\u003cli\u003eExhaust noise caused by a damaged internal muffler structure\u003c\/li\u003e\n\u003cli\u003eRestricted exhaust flow from a deteriorated muffler assembly\u003c\/li\u003e\n\u003cli\u003eFitment problems when replacing a worn OE-style muffler on a Nissan Sentra\u003c\/li\u003e\n\u003cli\u003eVisible exhaust system wear that affects appearance and sound quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2000-2006 Nissan Sentra, N\/A. Verify inlet and outlet orientation, flange style, and exhaust routing before installation. Confirm the 2-bolt welded flange connection and 1.75-inch outlet diameter match the vehicle’s existing exhaust configuration. Professional exhaust installation is recommended to ensure proper alignment and sealing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit mufflers are engineered with aluminized steel, mechanical interior joints, and spun-locked heads to support durable service in exhaust replacement applications. The SoundFX Direct Fit line is positioned for direct-fit exhaust service on vehicles such as the Nissan Sentra, and Part Number 18899 follows that OE-style replacement approach.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071729561781,"sku":"BDCN-18899","price":80.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_18899_Fro.jpg?v=1775141951","url":"https:\/\/www.partcatalog.com\/products\/walker-18899-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}