{"product_id":"walker-18251-exhaust-muffler","title":"Walker 18251 Exhaust Muffler","description":"\u003ch2\u003eWalker SoundFX Direct Fit Muffler\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit muffler Part Number 18251 is a specific-fit exhaust muffler built for select Toyota applications from 1988-1995. It uses 100% aluminized steel for improved service life over low-carbon steel and is shaped for a direct-fit replacement on compatible Toyota 4Runner and Toyota Pickup models.\u003c\/p\u003e\u003cp\u003eWalker SoundFX Direct Fit focuses on a clean OE-style appearance and controlled exhaust tone. For shoppers searching for a Toyota 4Runner muffler replacement or a Toyota Pickup exhaust muffler, Part Number 18251 provides a direct-fit solution with the correct inlet and outlet configuration for the listed vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit exhaust muffler for select Toyota 4Runner and Toyota Pickup models\u003c\/li\u003e\n\u003cli\u003eRound combination muffler design\u003c\/li\u003e\n\u003cli\u003e2-inch inlet and 2-inch outlet with pipe connection ends\u003c\/li\u003e\n\u003cli\u003eOffset inlet and offset outlet configuration\u003c\/li\u003e\n\u003cli\u003eAluminized steel body and finish for added corrosion resistance\u003c\/li\u003e\n\u003cli\u003eMechanical interior joints and spun-locked heads for durability\u003c\/li\u003e\n\u003cli\u003eOverall length: 24 inches; body length: 21 inches; body width and height: 7 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit is a regular-grade exhaust muffler engineered around the listed fitment and dimensions. The aluminized steel construction helps resist rust better than low-carbon steel, while the internal joint design and spun-locked heads support long-term structural integrity. Part Number 18251 is a practical choice for drivers replacing a worn muffler on a 1988-1995 Toyota 4Runner or 1989-1995 Toyota Pickup with the specified exhaust configuration.\u003c\/p\u003e\u003cp\u003eThis part cross-references Walker Exhaust 43317 for the same application.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1994-1995 Toyota 4Runner, N\/A; without California Emission System; requires 35489; if welded assembly, replace all required parts; optional parts for split system; requires two insulators 2 - do not reuse OE insulators; SoundFX Direct Fit\u003c\/li\u003e\n\u003cli\u003eFits 1993-1995 Toyota Pickup, N\/A; without California Emission System; requires 35489; if welded assembly, replace all required parts; optional parts for split system; requires two insulators 2 - do not reuse OE insulators; SoundFX Direct Fit\u003c\/li\u003e\n\u003cli\u003eFits 1993-1995 Toyota Pickup, N\/A; without California Emission System; except Flareside; requires 35489; if welded assembly, replace all required parts; requires two insulators 2 - do not reuse OE insulators; SoundFX Direct Fit\u003c\/li\u003e\n\u003cli\u003eFits 1992-1993 Toyota 4Runner, N\/A; requires 35489; if welded assembly, replace all required parts; optional parts for split system; requires two insulators 2 - do not reuse OE insulators; SoundFX Direct Fit\u003c\/li\u003e\n\u003cli\u003eFits 1989-1992 Toyota Pickup, N\/A; requires 35489; if welded assembly, replace all required parts; optional parts for split system; requires two insulators 2 - do not reuse OE insulators; SoundFX Direct Fit\u003c\/li\u003e\n\u003cli\u003eFits 1989-1992 Toyota Pickup, N\/A; long bed; except Flareside; requires 35489; if welded assembly, replace all required parts; requires two insulators 2 - do not reuse OE insulators; SoundFX Direct Fit\u003c\/li\u003e\n\u003cli\u003eFits 1988-1991 Toyota 4Runner, N\/A; requires 35489; if welded assembly, replace all required parts; requires two insulators 2 - do not reuse OE insulators; SoundFX Direct Fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s emission configuration before ordering, since listed applications exclude California Emission System models. Confirm the required 35489 component and review whether the exhaust is a welded assembly or split system before installation. The fitment notes also specify two insulators and advise against reusing OE insulators.\u003c\/p\u003e\u003cp\u003eCheck inlet and outlet alignment, offset dimensions, and overall length against the existing exhaust layout on the Toyota 4Runner or Toyota Pickup. Because this muffler is not reversible or tunable, installation should follow the listed orientation and vehicle-specific configuration.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit uses aluminized steel construction, mechanical interior joints, and spun-locked heads to support durability in exhaust service. The product line is built for direct-fit replacement applications with OE-style fitment and controlled acoustics.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071718912181,"sku":"BDCN-18251","price":68.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_18251_Fro.jpg?v=1775141907","url":"https:\/\/www.partcatalog.com\/products\/walker-18251-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}