Ford F-150 Regular Cab Loaded 10 inch 400W RMS 4 Ohm 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

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

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MTX ThunderForm Ford Ranger

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.

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.

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 two formats: amplified or loaded. (Try getting a built-in amp from anyone else!)

Get Thunderforms How You Need Them

Most Thunderform models come in two 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.


  • Includes Dual 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
Weight 39.6 lbs
Power Handling 400 Watt RMS
Enclosure Volume 2 cubc foot, sealed
Support Files
Installation Sheet FRP20 (4 pages) View |  Download