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Winter Savings! - 20% Off Select Items
Winter Savings! - 20% Off Select Items

On Sale

Winter Savings!

Unlock 20% off select items at checkout with code: WINTER20. No waiting. No exclusions.

Shop our sale collection below now and lock in your savings before inventory runs out.

  •

    SDBBP40 36 Square Feet Black Sound Deadening Kit - Nine 18" x 32" Pieces

    $137.99
    $137.99 - $137.99
    $137.99
    $114.99
    $114.99 - $114.99
    $114.99
    Save 20% with Code: WINTER20

    Product Details: Nine 18" x 32" Pieces of Sound Deadening Material 90.55mil thick (2.3mm)! There are cheaper, inferior solutions at 50-80mil, but ...

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    $137.99
    $137.99 - $137.99
    $137.99
    $114.99
    $114.99 - $114.99
    $114.99

  • SDRF20 Square Feet Black Tri-Layer Sound Deadening (Five Sheets of 18" x 32")

    $83.99
    $83.99 - $83.99
    $83.99
    $69.99
    $69.99 - $69.99
    $69.99
    Save 20% with Code: WINTER20

    Product Details: Five Sheets of 18" x 32" (20 sq. ft.) Tri-Layer Sound Damping Adhesive Black Foam Rubber Tri-Layer Design: Combines 100% Butyl R...

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    $83.99
    $83.99 - $83.99
    $83.99
    $69.99
    $69.99 - $69.99
    $69.99

  • XW4BK5 5 ft. of Frosted Black 4-Gauge True Spec 100% Oxygen-Free Copper EnvyFlex Power/Ground Wire

    $17.99
    $17.99 - $17.99
    $17.99
    $14.99
    $14.99 - $14.99
    $14.99
    Save 20% with Code: WINTER20

    Product Features: EnvyFlex 4 AWG Ground Cable Extremely flexible insulation Ideally suited for systems up to up to 1500 watts RMS Made from silve...

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    $17.99
    $17.99 - $17.99
    $17.99
    $14.99
    $14.99 - $14.99
    $14.99

  • SDST3 9.84 ft (3m) Butyl Rubber Sealant Strip Tape Roll for Cars, Trucks, RV, and Marine

    $11.99
    $11.99 - $11.99
    $11.99
    $9.99
    $9.99 - $9.99
    $9.99
    Save 20% with Code: WINTER20

    Product Features: Extruded butyl rubber on rolled release paper Premium adhesive sealant tape designed create a long-lasting and weatherproof seal...

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    $11.99
    $11.99 - $11.99
    $11.99
    $9.99
    $9.99 - $9.99
    $9.99

  • SDBTK20 20 Square Feet Black Sound Deadening Trunk Kit (Five 18" x 32" Pieces)

    $71.99
    $71.99 - $71.99
    $71.99
    $59.99
    $59.99 - $59.99
    $59.99
    Save 20% with Code: WINTER20

    Product Features: Five 18" x 32" Pieces of Sound Damping Material 91mil thick (2.3mm)! There are cheaper, inferior solutions at 50-80mil, but we d...

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    $71.99
    $71.99 - $71.99
    $71.99
    $59.99
    $59.99 - $59.99
    $59.99

  • XW0BK5 5 ft. of Frosted Black 1/0-Gauge True Spec 100% Oxygen-Free Copper EnvyFlex Power/Ground Wire

    $29.99
    $29.99 - $29.99
    $29.99
    $24.99
    $24.99 - $24.99
    $24.99
    Save 20% with Code: WINTER20

    Product Features: EnvyFlex 1/0 AWG Ground Cable Extremely flexible insulation Ideally suited for systems up to 4000 watts RMS Made from silver-ti...

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    $29.99
    $29.99 - $29.99
    $29.99
    $24.99
    $24.99 - $24.99
    $24.99

  • SDBPRO20 20 Square Feet 4.5mm Ultra Thick Black Sound Deadening Kit - Five 18" x 32" Sheets

    $131.99
    $131.99 - $131.99
    $131.99
    $109.99
    $109.99 - $109.99
    $109.99
    Save 20% with Code: WINTER20

    NVX Ultra Thick Sound Dampening Material Achieve the ultimate in sound insulation with NVX Ultra Thick Sound Dampening material, designed for tho...

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    $131.99
    $131.99 - $131.99
    $131.99
    $109.99
    $109.99 - $109.99
    $109.99

  • SDBSK2 1.38 Square Feet Black Sound Deadening Speaker Kit (Two 10" x 10" Pieces)

    $17.99
    $17.99 - $17.99
    $17.99
    $14.99
    $14.99 - $14.99
    $14.99
    Save 20% with Code: WINTER20

    Product Details: Two 10" x 10" Pieces of Sound Dampening Material 91mil thick (2.3mm)! There are cheaper, inferior solutions at 50-80mil, but we d...

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    $17.99
    $17.99 - $17.99
    $17.99
    $14.99
    $14.99 - $14.99
    $14.99

  • SDBDK12 12 Square Feet Black Sound Deadening Kit (Four 12" x 36" Pieces)

    $59.99
    $59.99 - $59.99
    $59.99
    $49.99
    $49.99 - $49.99
    $49.99
    Save 20% with Code: WINTER20

    Product Features: Four 12" x 36" Pieces of Sound Dampening Material 91mil thick (2.3mm)! There are cheaper, inferior solutions at 50-80mil, but we...

    View full details
    $59.99
    $59.99 - $59.99
    $59.99
    $49.99
    $49.99 - $49.99
    $49.99