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Walker® Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler 18403

Walker Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler 18403

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  • Specifications
  • Features
  • Vehicle Fitment
  • Specifications

    BrandWalker
    Part Number18403
    Part DescriptionSoundfx Aluminized Steel Oval Direct Fit Exhaust Muffler
    Connection TypePipe Connection
    Inlet Diameter DesignationInside Diameter
    Inlet Quantity1
    Item GradeOEM Standard Part
    Muffler Body Height4.25"
    Muffler Body Length17"
    Muffler Body MaterialAluminized Steel
    Muffler Body ShapeOval
    Muffler Body Width9.75"
    Muffler Inlet Diameter2.25"
    Muffler Inlet-Outlet ConfigurationOffset - Center
    Muffler Outlet Diameter2.25"
    Muffler Overall Length21"
    Muffler ReversibilityNo
    Muffler SeriesSoundFX™
    Muffler TypeCombination
    Outlet Diameter DesignationInside Diameter
    Outlet Quantity1
    UPC086387184038
    Warning: California’s Proposition 65
  • Features

    Walker Soundfx™ Direct Fit Exhaust Muffler are featured as follows:
    • Truck Mufflers by Walker Exhaust.
    • Quick and easy installation.
    • Optimal original equipment style fit and quality.
    • Manufactured from premium materials for greater durability.
    • 100% Structural Stainless Steel construction resists rust-out three times longer than competitors' premium aluminized mufflers.
    • Spun-locked heads help resist ruptures due to backfires.
    • Bridge construction for structural strength and a long service life.
    • Durable internal partitions for greater interior structural stability and a long service life.
    • Inner shell and outer cover lockseams are positioned 180º apart for maximum durability.
    • Strong, factory style interior spot welds help improve structural stability and increase durability.
    • Original equipmentstyle louvered tube technology lowers the engine emissions noise level for a premium, factory style sound, and domed heads help reduce radiated noise.
    • CRF (Continuous Roving Fiberglass) for optimal original equipment quality acoustics.
    • A complete internal drainage system helps prevent condensate acids from collecting between partitions or at the muffler heads.
    • Internal tubes are mechanically joined to the free-floating partition to allow expansion and contraction during temperature changes.
    • Sound FX direct-fit and universal mufflers provide a quality repair alternative, at a competitive price.
    • Pro-Fit Mufflers feature spot-welded bushings for greater stability and support, Tru-Fit™ Mufflers are 100% aluminized steel construction for corrosion resistance and longer service life.
    • Part of a world-class, engine-to-tailpipe exhaust solutions range developed and manufactured by Walker, the world's leading supplier of automotive exhaust and emissions control parts.
    • Part of Walker's complete line of exhaust components including hangers, gaskets, sensors, connectors, and other accessories.
    • Can be used with a full range of Walker exhaust system accessories.
    • Strong, original equipment style interior spot welds.
    The Walker Soundfx™ Direct Fit Exhaust Muffler 18403 is a high quality exhaust system component manufactured by Walker as the world's leading exhaust and emissions control company. Made from high-quality materials for greater durability and is an economical replacement for original equipment components. Features a 100% structural stainless steel construction, spun-locked heads, bridge construction, durable internal partitions, and factory style louvered tube technology for a premium, original equipment style sound. It also includes a complete internal drainage system to prevent condensate acids from collecting. Walker Soundfx™ Direct Fit Exhaust Muffler is part of a complete line-up of emissions control products. Offering a full range of accessories for a complete exhaust job. Designed for easy installation, quick service bay turnaround, and offers a quality repair alternative at a competitive price.
    Walker is a widely respected manufacturer of class-leading exhaust systems and emission control products, well-known throughout the automotive industry. They are the primary supplier of complete engine-to-tailpipe solutions for large segments of both the replacement and OE part markets. Renown for industry-leading innovation, Walker was the first to introduce technologies like the louvered tube design, full stainless steel muffler construction, and even early versions of the modern catalytic converter to the market. They also offer a full range of accessories and an industry-first Limited Lifetime Warranty for professional installers.
  • Vehicle Fitment

    Year Make Model Trim Engine
    1965-1967 Cadillac CalaisAll Trims8 Cyl 7.0L
    1986-1987 Jeep ComancheAll Trims4 Cyl 2.5L
    1988 Jeep ComancheChief4 Cyl 2.5L
    1988 Jeep ComancheLaredo4 Cyl 2.5L
    1988-1991 Jeep ComanchePioneer4 Cyl 2.5L
    1988-1992 Jeep ComancheBase4 Cyl 2.5L
    1990-1992 Jeep ComancheAll Trims6 Cyl 4.0L

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