{"product_id":"walker-18820-exhaust-muffler","title":"Walker 18820 Exhaust Muffler","description":"\u003ch2\u003eWalker SoundFX Direct Fit Muffler for Regal\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit muffler Part Number 18820 is built for specific vehicle applications and is engineered for a clean OE-style replacement. It uses 100% aluminized steel for improved service life versus low-carbon steel, along with a quality appearance and controlled exhaust acoustics.\u003c\/p\u003e\u003cp\u003eCompatible with 1997-2004 Buick Regal, this Walker muffler is a direct-fit exhaust solution for drivers replacing a worn or noisy factory unit. The oval body, offset 2-inch inlet, and dual 2.25-inch center outlets support a factory-style layout on the Buick Regal exhaust system.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit exhaust muffler for confirmed Buick Regal applications\u003c\/li\u003e\n\u003cli\u003eWalker SoundFX Direct Fit product line for OE-style replacement fitment\u003c\/li\u003e\n\u003cli\u003e100% aluminized steel body for longer service life than low-carbon steel\u003c\/li\u003e\n\u003cli\u003eOval muffler design with aluminized finish\u003c\/li\u003e\n\u003cli\u003eOffset 2-inch inlet with pipe connection\u003c\/li\u003e\n\u003cli\u003eDual 2.25-inch center outlets with tip-style outlet configuration\u003c\/li\u003e\n\u003cli\u003eMechanical interior joints and spun-locked heads for added durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eWalker Part Number 18820 is a combination-type exhaust muffler with a steel body, 11-inch body width, 5.5-inch body height, and 15-inch body length. The overall length is 28 inches, and the inlet uses a 2-inch inside diameter with a 3.5-inch offset. This design supports a direct-fit replacement on 1997-2004 Buick Regal models while maintaining a factory-oriented exhaust layout. This part cross-references AP Exhaust 700338 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExhaust noise from a damaged or rusted muffler\u003c\/li\u003e\n\u003cli\u003eCorrosion-related failure in the original muffler housing\u003c\/li\u003e\n\u003cli\u003eFitment issues caused by an incorrect replacement muffler\u003c\/li\u003e\n\u003cli\u003eLoss of factory-style exhaust routing on Buick Regal models\u003c\/li\u003e\n\u003cli\u003eNeed for a direct-fit muffler replacement on 1997-2004 Buick Regal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eFits 1997-2004 Buick Regal, N\/A. If the exhaust uses a welded assembly, replace all required parts during service to restore proper fit and function. Verify inlet and outlet dimensions, offset, and overall length against the existing exhaust before installation. Walker SoundFX Direct Fit Part Number 18820 is intended for specific applications, so matching the vehicle configuration is important for a correct installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit mufflers are built with aluminized steel construction, mechanical interior joints, and spun-locked heads to support durability in everyday exhaust service. The product line is positioned as a direct-fit replacement option for drivers seeking OE-style appearance and acoustics on Buick Regal applications.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071725498549,"sku":"BDCN-18820","price":94.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_18820_Fro.jpg?v=1775141942","url":"https:\/\/www.partcatalog.com\/products\/walker-18820-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}