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 includes a single 10" subwoofer for an unbeatable listening experience with a stealthy factory look.

Fits: Chevrolet Silverado 1500 Extra Cab 1988-1998, Gmc Sierra 1500 Extra Cab 1988-1998

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

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.