{"product_id":"walker-21784-exhaust-muffler-left-or-right","title":"Walker 21784 Exhaust Muffler - Left or Right","description":"\u003ch2\u003eWalker Quiet-Flow Muffler 21784\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow muffler 21784 is a specific-fit exhaust muffler built for OE-style sound and steady exhaust flow. Its oval steel body and aluminized finish make it a practical replacement for classic Chevrolet, GMC, and Pontiac applications where correct fitment and factory-like tone matter.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit exhaust muffler for direct application matching\u003c\/li\u003e\n\u003cli\u003eOval muffler shape with a combination muffler design\u003c\/li\u003e\n\u003cli\u003e2.5 in. inlet inside diameter with offset inlet configuration\u003c\/li\u003e\n\u003cli\u003e2 in. outlet outside diameter with offset outlet configuration\u003c\/li\u003e\n\u003cli\u003eSteel body with aluminized finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eOverall length: 25.25 in.; body length: 21 in.; body width: 9.75 in.; body height: 4.25 in.\u003c\/li\u003e\n\u003cli\u003eWalker Quiet-Flow line focuses on OE-style sound and controlled exhaust flow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker Quiet-Flow 21784 is designed for drivers restoring or maintaining older domestic vehicles that need a direct-fit exhaust muffler with a factory-like sound profile. The oval, aluminized steel construction supports long-term service in a wide range of Chevrolet C10, K10, K20, K30, C20, C30, GMC Jimmy, and Pontiac applications, along with several P-series and Suburban models. This part number 21784 is a fitment-focused solution for vehicles that require a 2.5-inch inlet and 2-inch outlet with offset pipe connections.\u003c\/p\u003e\u003cp\u003eThe Quiet-Flow product line is positioned around smooth exhaust flow and OE-style acoustics, making it a strong match for owners who want a replacement muffler that preserves the vehicle’s original character. This part cross-references OSC 2538 for the same application.\u003c\/p\u003e\u003ch2\u003eUsed For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or rusted factory muffler\u003c\/li\u003e\n\u003cli\u003eRestoring OE-style exhaust tone on classic trucks and cars\u003c\/li\u003e\n\u003cli\u003eAddressing exhaust noise from internal muffler deterioration\u003c\/li\u003e\n\u003cli\u003eCorrecting restricted exhaust flow caused by age or corrosion\u003c\/li\u003e\n\u003cli\u003eMaintaining proper fit on specific Chevrolet, GMC, and Pontiac applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify inlet and outlet diameter, offset configuration, and vehicle position before ordering. Fitment varies by year, model, and notes such as single exhaust, dual exhaust, catalytic converter, or left\/right placement. Compatible applications include Fits 1975-1982 Chevrolet C20, N\/A; Fits 1975-1980 Chevrolet K20, N\/A; Fits 1976-1979 Chevrolet C10, N\/A; Fits 1976-1978 Chevrolet K10, Left; Fits 1979-1981 Chevrolet P2500, N\/A; and Fits 1965-1969 Pontiac Tempest, N\/A. For best results, compare the existing exhaust layout and pipe routing to the listed notes before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker backs Quiet-Flow mufflers with a limited lifetime warranty and a 90-day Safe and Sound guarantee. The product line is built to deliver controlled exhaust flow and OE-style sound for specific vehicle applications.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52071760724149,"sku":"BDCN-21784","price":70.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WK_21784_Fro.jpg?v=1775142025","url":"https:\/\/www.partcatalog.com\/products\/walker-21784-exhaust-muffler-left-or-right","provider":"PartCatalog","version":"1.0","type":"link"}