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Port Tubes

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  • Port Tubes

     (2" diameter x 2-1/2" length)

    IN STOCK

    2 people say 

    • Rolled front flange sits flush against the box's exterior
    • ABS plastic port can be trimmed to a specific length
    • 2" diameter

    Free Shipping

    $3.99

  • Port Tube

    2" diameter, 4-1/2" long

    IN STOCK

    1 person says 

    • Rolled front flange sits flush against the box's exterior
    • ABS plastic port can be trimmed to a specific length
    • 2" diameter

    Free Shipping

    $3.99

  • Port Tube

    3" diameter, 4-1/2" long

    IN STOCK

    • Rolled front flange sits flush against the box's exterior
    • ABS plastic port can be trimmed to a specific length
    • 3" diameter

    Free Shipping

    $4.99

  • Port Tube

    4" diameter, 4-1/2" long

    IN STOCK

    • Rolled front flange sits flush against the box's exterior
    • ABS plastic port can be trimmed to a specific length
    • 4" diameter

    Free Shipping

    $5.99

  • Port Tube

    6" diameter, 6" long

    IN STOCK

    • Rolled front flange sits flush against the box's exterior
    • ABS plastic port can be trimmed to a specific length
    • 6" diameter

    Free Shipping

    $7.99

How to Build a Subwoofer BoxBasic guidelines and step-by-step instructions for calculating, designing and building a car subwoofer box.

Subwoofer Wiring DiagramsWith the wide variety of subwoofers available, it's easy to get confused about the best way to wire up your system. These wiring diagrams will help you find the configuration that'll get the most out of your subs and your amplifier.