Ford F-150 Regular Cab Unloaded Dual 10 inch Vehicle Specific Custom Subwoofer Enclosure

Vehicle Specific Custom Subwoofer Enclosures

Fits Ford F-150 Regular Cab 1997-2003

Custom fit sub enclosures for your vehicle

Unloaded Thunderform designed to house dual ten inch subwoofers (not included).

Fits Ford - F-150 Regular Cab 1997-2003. Finished in Tan.

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Vehicle specific ThunderForm enclosures are designed to utilize space in vehicles that would otherwise go unused to add a subwoofer enclosure. These enclosures are highly durable and provide a custom fit so that you do not have to sacrifice cargo space for added aftermarket performance. This model fits dual 10" subwoofers.

Fits: Ford F-150 Regular Cab 1997-2003


Custom Fit

Easy install with perfect factory fit to over 225 models.

No Wasted Space

Utilize unused space in vehicle. Wasted Space = Awesome Bass!

Easy Install

Easily Integrates with factory audio system.


MTX Thunderforms

Vehicle Specific Custom Subwoofer Enclosures

 - Designed to take advantage of the unused space in your vehicle.

For over 20 years MTX has been manufacturing Thunderform vehicle specific custom subwoofer enclosures that are made to the highest standards in our manufacturing facility in Monroe, WI by our MTX technicians to ensure that your audio experience is even better than you expect.

Thunderform Key Features

  • Easy install with perfect factory fit
  • Utilize unused space in vehicle
  • Molded the same color throughout so scratches won't show
  • Easily Integrates with factory audio system
  • Available for over 225 vehicles
  • Includes installation hardware for an easy, flawless install


"Awesome product! I now have a great sounding powered sub without taking up cargo space with a big sub box"

Alfred, 3/7/2013, MTX Thunderform Review
MTX ThunderForm Ford F150 Custom Subwoofer Enclosure

Ford F150 ThunderForm

Stock Fit And Look

All Thunderform models are manufactured using either a highly technical HDPE resin rotational molding or hand laid fiberglass process to create lightweight, durable enclosures, often matching your interior and available in three formats: amplified, loaded, and unloaded. (Try getting a built-in amp from anyone else!)

Get Thunderforms How You Need Them

Most Thunderform models come in three versions:

  • Amplified models include an integrated high efficiency amplifier and custom subwoofer that deliver an exceptional performance.
  • Loaded models include a custom 4Ω subwoofer that can be used with existing amplifiers or with upgraded amplifiers.
  • Unloaded models work with most 10" or 12" subwoofers depending on the model that you choose.
  • Fits Two 10" Subwoofers
  • Location: Behind Seat. No Loss of Leg Room.
  • Install Hardware Supplied
  • Molded in Factory Colors
Tech Specs
Dimensions 10-3/4"H x 17-1/4"W x 48-1/2"D
Cut Out Diameter 10-3/8"
Weight 30 lbs
Subwoofer Fits two 10"
Enclosure Volume 1.8 cubic foot, sealed
Mounting Depth 4-5/8
Support Files
Installation Sheet FRP20U (2 pages) View |  Download