{"product_id":"walker-18950-exhaust-muffler-left","title":"Walker 18950 Exhaust Muffler - Left","description":"\u003ch2\u003eWalker SoundFX Direct Fit Muffler for Impala\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit muffler Part Number 18950 is a specific-fit exhaust muffler for the 2006-2011 Chevrolet Impala, left position. It combines an oval steel body with aluminized finish for longer service life than low-carbon steel and a clean OE-style appearance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit exhaust muffler for 2006-2011 Chevrolet Impala, left\u003c\/li\u003e\n\u003cli\u003eWalker SoundFX Direct Fit line for OE-style replacement fitment\u003c\/li\u003e\n\u003cli\u003e100% aluminized steel construction for improved corrosion resistance\u003c\/li\u003e\n\u003cli\u003eOval body shape with offset inlet and offset outlet configuration\u003c\/li\u003e\n\u003cli\u003eMechanical interior joints and spun-locked heads for added durability\u003c\/li\u003e\n\u003cli\u003e1.875 in. inlet inside diameter and 2.25 in. outlet outside diameter\u003c\/li\u003e\n\u003cli\u003eCombination muffler design with pipe connection inlet and tip outlet\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eWalker Part Number 18950 is built for direct replacement on the Chevrolet Impala and follows the SoundFX Direct Fit product line, which focuses on application-specific exhaust fitment and controlled acoustics. The aluminized steel body helps resist rust better than low-carbon steel, while the oval 32.5 in. overall length, 14 in. body length, and 9 in. body width support a factory-style layout. This muffler uses a 1.875 in. offset inlet and a 2.25 in. offset outlet, making it a practical choice for a left-side exhaust repair on the 2006-2011 Chevrolet Impala. This part cross-references AP Exhaust 700452 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRust-through or perforation in the original muffler\u003c\/li\u003e\n\u003cli\u003eExhaust noise increase from a damaged internal baffle\u003c\/li\u003e\n\u003cli\u003eFitment issues after replacing a welded factory muffler assembly\u003c\/li\u003e\n\u003cli\u003eRestricted exhaust flow caused by internal deterioration\u003c\/li\u003e\n\u003cli\u003eVisible corrosion on the rear exhaust section\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2006-2011 Chevrolet Impala, left. If the vehicle uses a welded assembly, replace all required related exhaust parts during service to maintain proper alignment and sealing. Verify inlet and outlet orientation before installation, since this muffler is not reversible and is not tunable. Part Number 18950 should be matched to the vehicle’s left-side exhaust layout and pipe dimensions before final assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit mufflers are built with aluminized steel, mechanical interior joints, and spun-locked heads to support durability and consistent fitment in service applications.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071737295029,"sku":"BDCN-18950","price":71.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_18950_Fro.jpg?v=1775141964","url":"https:\/\/www.partcatalog.com\/products\/walker-18950-exhaust-muffler-left","provider":"PartCatalog","version":"1.0","type":"link"}