We make boxes that go under the rear seats. We have them available with or without subs and make them with 4-8s, 2-10s, or 3-10s. Here is the link to our website with all available options.
brpautodesigns.com
This is my Gladiator and the front Grill was made by Innovative Auto Creations in Tempe, AZ. From what I understand the kit is available for presale at this time.
Any updates? I ordered mine on July 1st and it shows that the vin was created but that's it. Were almost at the end of August and still no updates on mine.