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Walker Quiet-Flow SS Replacement Muffler for 2001-06 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD
InfoVehicle Info Needed
DYNOMAXPART NUMBER: 289-21522

Walker Quiet-Flow SS Replacement Muffler for 2001-06 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD

$12799
ShippingShips on 11/17/2026
Lowest PriceLowest Price Guarantee

Quiet-Flow SS Replacement Muffler
  • 2001-06 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, Sierra 3500
  • Inlet 3 in.
  • Outlet 3 in.
  • 27 in. Length
  • Stainless Steel
  • Sold Individually

    The Walker 21522 is a Quiet-Flow SS replacement muffler for 2001-06 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, Sierra 3500. Built from stainless steel, it is engineered as a direct-fit replacement to restore proper exhaust system performance.

    Walker 21522 Features:

    • Material: Stainless Steel
    • Inlet Diameter: 3 in.
    • Outlet Diameter: 3 in.
    • Length: 27 in.
    • Direct-fit application for 2001-06 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, Sierra 3500

      • Quiet-Flow Replacement Mufflers run quieter and lasts longer than OE mufflers. Made from aluminized steel that delivers exceptional durability. Internal partition baffles and spun-locked heads help improve structural support and features OE-style rods and brackets for precise fit.

    Part TypeMuffler
    Product LineWalker Quiet-Flow Mufflers
    BrandDYNOMAX
    Package Height6.1
    Package Width11 in (279.4 mm)
    Package Length30.1
    Weight16.81 PG
    Part CategoryPerformance Parts
    Outlet Diameter3 in.
    Inlet Diameter3 in.
    QuantitySold Individually
    Overall Length27 in.
    MaterialStainless Steel
    Part FitmentDirect Fit
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
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