{"product_id":"walker-18973-exhaust-muffler","title":"Walker 18973 Exhaust Muffler","description":"\u003ch2\u003eWalker SoundFX Direct Fit Muffler for Jeep Grand Cherokee\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit muffler Part Number 18973 is a specific-fit exhaust muffler built for 1999-2001 Jeep Grand Cherokee applications. It uses an oval steel body with aluminized finish and a 2.25-inch inlet and outlet to match the listed exhaust configuration.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit exhaust muffler for direct replacement use\u003c\/li\u003e\n\u003cli\u003eOval body design with center inlet and offset outlet\u003c\/li\u003e\n\u003cli\u003e2.25-inch inlet and 2.25-inch outlet pipe connections\u003c\/li\u003e\n\u003cli\u003e100% aluminized steel construction for improved service life versus low-carbon steel\u003c\/li\u003e\n\u003cli\u003eMechanical interior joints and spun-locked heads for added durability\u003c\/li\u003e\n\u003cli\u003eReversible design for installation flexibility where the application allows\u003c\/li\u003e\n\u003cli\u003eWalker SoundFX Direct Fit product line focused on OE-style appearance and controlled acoustics\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker 18973 is a direct-fit exhaust muffler engineered for the Jeep Grand Cherokee from 1999 through 2001, with fitment notes that include Federal and California emission system applications and a requirement for tail pipe part 55593 on listed configurations. The muffler measures 30 inches overall, with a 26-inch body length, 9.75-inch body width, and 4.25-inch body height. Its aluminized steel body and reflection-style muffler design support a durable replacement solution for exhaust service work.\u003c\/p\u003e\u003cp\u003eThe SoundFX Direct Fit line is positioned for buyers who need a replacement muffler that matches the vehicle’s exhaust layout while maintaining a clean appearance and controlled sound characteristics. Part Number 18973 is also cross-referenced to AP Exhaust 700362 and 700364 for the same application.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1999-2001 Jeep Grand Cherokee, N\/A. Requires 55593; if welded assembly, replace all required parts; SoundFX Direct Fit.\u003c\/li\u003e\n\u003cli\u003eFits 1999-2001 Jeep Grand Cherokee, N\/A. Replacement requires tail pipe; with Federal Emission System; requires 55593; if welded assembly, replace all required parts; SoundFX Direct Fit.\u003c\/li\u003e\n\u003cli\u003eFits 1999-2000 Jeep Grand Cherokee, N\/A. Replacement requires tail pipe; with California Emission System; requires 55593; if welded assembly, replace all required parts; SoundFX Direct Fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Replacement Reasons\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRust or corrosion in the muffler body\u003c\/li\u003e\n\u003cli\u003eExhaust noise increase from internal deterioration\u003c\/li\u003e\n\u003cli\u003eRestricted exhaust flow caused by damaged internal components\u003c\/li\u003e\n\u003cli\u003eFailed pipe connections at the inlet or outlet\u003c\/li\u003e\n\u003cli\u003eNeed for a direct replacement muffler on a Jeep Grand Cherokee exhaust system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s emission system and exhaust layout before ordering. This muffler uses a center inlet and offset outlet with 2.25-inch pipe connections, and the listed fitment notes call for tail pipe part 55593 on certain applications. If the exhaust assembly is welded, replace all required related parts during service to maintain proper alignment and sealing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit mufflers use 100% aluminized steel, mechanical interior joints, and spun-locked heads to support durability in exhaust service. The product line is built to deliver a quality replacement appearance and controlled acoustics for the listed Jeep Grand Cherokee applications.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071739752629,"sku":"BDCN-18973","price":80.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_18973_Fro.jpg?v=1775141970","url":"https:\/\/www.partcatalog.com\/products\/walker-18973-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}