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Custom Dual 12 97-99 Ford F-150 Ext Cab Enclosure

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Fitting subwoofers into a 1997-1999 Ford F-150 extended cab is not an easy task! Luckily we offer a custom enclosure to address this problem! Our dual 12" sub box fit directly under the rear passenger bench is compatible with both the split 60 /40 or bench seat. Our box is a down firing model which greatly increases the overall SPL output of the subs and also keep them out of view from theft.

Our boxes are made from precision cuts of MDF. They are then liquid nailed, nailed and completely sealed. We then wrap them with high quality carpet that matches most vehicle interiors. All Boxes feature high grade spring loaded terminal cup(s) for the absolute best connection possible. All the custom series enclosures are made to fit precisely into your 97-99 Ford F150 Super Cab to the get the max performance from every extra inch of wasted space.

We guarantee you will not only see a difference in the quality of the boxes we build, but you will hear the difference and that is what is it is truly all about.

Custom Dual 12" 97-99 Ford F-150 Ext Cab Enclosure


  • Dual 12" 97-99 Ford F-150 Extended Sub Box
    • Mounting Depth: 5"
    • Air Space: 0.65 Cubic Feet Per Sub
    • Sealed Enclosure
    • Dimensions: Width 47-1/2" x Front Height 8-1/2" x Rear Height 7-1/2" x Depth 13-3/4" - Mounting Depth: 9"
  • Constructed with High Quality MDF
  • (2) High Quality Binding Terminal Cups (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA')
  • High Quality Black Carpet
  • Enclosure installs under the rear seat down firing
  • Rear seat assembly has to be raised in order for the box to fit

This box fits:

  • 1997-1999 Ford F-150 Extended Cab
This item is New
Proposition 65 Warning for California Consumers

WARNING: This product can expose you to chemicals including Formaldehyde (gas) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to

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Questions & Answers

Harry Tenner

Is this box divided into 2 chambers?


Yes this box is divided into 2 chambers.

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Frequently Asked Questions for this Product:

When will my order ship?
Most orders placed before 3:00 PM CST will ship within 24 hours. If you need a product by a specific time please contact us at 1-877-275-4434 before ordering.
When will I receive my tracking number?
Most tracking numbers are sent out around 5:30 PM CST of the following business day. Please allow 24-business-hours after ordering before requesting tracking information.
How fast will I receive my product?
Depending on your location it may take 3-4 business days for your order to arrive. Your tracking number will tell you the exact day your order will arrive. If you need an order by a specific date we recommend you call us at 1-877-275-4434

Return Policy
Due to the size of this item it cannot be returned for a refund. If the box is damaged in-transit we will replace it.