Compatible with Jeep - Wrangler TJ 1997-2006. Finished in Charcoal. 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 dual 10" Terminator series subwoofers for an unbeatable listening experience with a stealthy factory look. 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.