Subaru WRX Sti Impreza - 2015+ Fiberglass subwoofer Enclosure stealth sub box Custom MagicBox Magic Box. Available in drivers side and or passenger side. Made in USA. Custom built your Subaru WRX STi or Impreza Sedan. 10" / 12" models available. We designed it with JL subs in mid and a 12w6 will fit these enclosures. It will fit other manufacturers subwoofers. Designed to take as little room as possible in the trunk area. Trunk Floor will need to be cut and trimmed to be able to fit boxes in. Both Drivers side and passenger side is available in 10" or 12" Available to purchase with subwoofers at a drastic discount. Also available with an amplifier package. We do offer full installs in our Kingston NH Facility. Over 15 Years experience making fiberglass Subwoofer enclosures. Each enclosure comes out of a mold. They are stepped design so 10" will be flush mounted and 12" will be surface mounted. Lightweight construction due to fiberglass. Better then wooden enclosures. Airspace .95 cu ft. each side Sealed Enclosure Built to order, Allow 7-14 Days to be built.