{"product_id":"walker-18345-exhaust-muffler","title":"Walker 18345 Exhaust Muffler","description":"\u003ch2\u003eWalker SoundFX Direct Fit Muffler\u003c\/h2\u003e\u003cp\u003eWalker SoundFX Direct Fit muffler Part Number 18345 is a specific-fit exhaust muffler for classic GM A-body and G-body applications. It is built with aluminized steel for improved service life versus low-carbon steel and is shaped for a direct replacement on supported vehicles.\u003c\/p\u003e\u003cp\u003eFor drivers searching for a replacement muffler for a 1978-1988 Buick Regal, Chevrolet Monte Carlo, or Oldsmobile Cutlass, this Walker SoundFX muffler provides a direct-fit solution with OE-style dimensions and offset pipe connections.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit exhaust muffler for supported vehicle applications\u003c\/li\u003e\n\u003cli\u003eOval combination muffler design\u003c\/li\u003e\n\u003cli\u003eAluminized steel body and finish\u003c\/li\u003e\n\u003cli\u003e1 inlet, 1 outlet, pipe connection style\u003c\/li\u003e\n\u003cli\u003eOffset inlet and outlet configuration\u003c\/li\u003e\n\u003cli\u003eMechanical interior joints and spun-locked heads for added durability\u003c\/li\u003e\n\u003cli\u003eWalker SoundFX Direct Fit line for replacement exhaust service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eWalker 18345 is an exhaust muffler with a 2.25-inch inlet inside diameter and a 2-inch outlet inside diameter. The oval steel body measures 19 inches long, 9.75 inches wide, and 4.25 inches high, with an overall length of 23.75 inches. Its aluminized construction helps resist corrosion better than low-carbon steel, while the direct-fit layout supports a cleaner replacement on vehicles originally equipped with this style of muffler.\u003c\/p\u003e\u003cp\u003eThis part cross-references TYC 700057 for the same application. It is a practical choice for owners servicing a Buick Regal, Chevrolet Monte Carlo, or Oldsmobile Cutlass who need a replacement muffler that matches the original exhaust routing and connection style.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1980-1988 Chevrolet Monte Carlo, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1979-1981 Chevrolet Monte Carlo, N\/A with Single Outlet\u003c\/li\u003e\n\u003cli\u003eFits 1982-1983 Chevrolet Malibu, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1979-1981 Chevrolet Malibu, N\/A with Single Outlet\u003c\/li\u003e\n\u003cli\u003eFits 1982-1987 Chevrolet El Camino, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1979-1981 Chevrolet El Camino, N\/A with Single Outlet\u003c\/li\u003e\n\u003cli\u003eFits 1978-1987 Buick Regal, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1978-1980 Buick Century, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1982-1988 Oldsmobile Cutlass Supreme, N\/A with Single Exhaust\u003c\/li\u003e\n\u003cli\u003eFits 1985-1987 Oldsmobile Cutlass Supreme, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1980, 1983 Oldsmobile Cutlass Supreme, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1978-1979 Oldsmobile Cutlass Supreme, N\/A with Single Outlet\u003c\/li\u003e\n\u003cli\u003eFits 1985-1987 Oldsmobile Cutlass, N\/A with Single Exhaust\u003c\/li\u003e\n\u003cli\u003eFits 1985-1987 Oldsmobile Cutlass, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1980, 1978-1979 Oldsmobile Cutlass, N\/A with Single Outlet\u003c\/li\u003e\n\u003cli\u003eFits 1983-1984 Oldsmobile Cutlass Calais, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1982-1984 Oldsmobile Cutlass Calais, N\/A with Single Exhaust\u003c\/li\u003e\n\u003cli\u003eFits 1980, 1978-1979 Oldsmobile Cutlass Calais, N\/A with Single Outlet\u003c\/li\u003e\n\u003cli\u003eFits 1982-1983 Oldsmobile Cutlass Cruiser, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1982-1983 Oldsmobile Cutlass Cruiser, N\/A with Single Exhaust\u003c\/li\u003e\n\u003cli\u003eFits 1980, 1978-1979 Oldsmobile Cutlass Cruiser, N\/A with Single Outlet\u003c\/li\u003e\n\u003cli\u003eFits 1980 Oldsmobile Cutlass Salon, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1978-1979 Oldsmobile Cutlass Salon, N\/A with Single Outlet\u003c\/li\u003e\n\u003cli\u003eFits 1983-1987 Pontiac Grand Prix, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1979-1980 Pontiac Grand Prix, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1983-1986 Pontiac Bonneville, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1982-1983 Pontiac Grand LeMans, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1979-1980 Pontiac LeMans, N\/A with Single Outlet\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eConfirm inlet and outlet diameters, offset orientation, and exhaust routing before installation. For welded assemblies, replace all required related parts so the exhaust system aligns correctly and seals as intended. Verify the vehicle’s single-exhaust or single-outlet configuration against the fitment notes before ordering.\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 long-term exhaust service. The SoundFX Direct Fit line is built for replacement applications where fit, appearance, and controlled exhaust acoustics matter.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071720091829,"sku":"BDCN-18345","price":64.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_18345_Fro.jpg?v=1775141915","url":"https:\/\/www.partcatalog.com\/products\/walker-18345-exhaust-muffler","provider":"PartCatalog","version":"1.0","type":"link"}