Si sedan custom sound system set up, Subwoofer and Amp in the trunk. | 2016+ Honda Civic Forum (10th Gen) - Type R Forum, Si Forum - CivicX.com
![Building a custom fiberglass subwoofer enclosure & trunk setup in 10 minutes (Time Lapse)! - YouTube Building a custom fiberglass subwoofer enclosure & trunk setup in 10 minutes (Time Lapse)! - YouTube](https://i.ytimg.com/vi/HfVy4iJ2U0Q/sddefault.jpg)
Building a custom fiberglass subwoofer enclosure & trunk setup in 10 minutes (Time Lapse)! - YouTube
Si sedan custom sound system set up, Subwoofer and Amp in the trunk. | 2016+ Honda Civic Forum (10th Gen) - Type R Forum, Si Forum - CivicX.com
![I would like to replace this large sub box with small compact boxes that allow rear-seat passthrough - What are the options? : r/CarAV I would like to replace this large sub box with small compact boxes that allow rear-seat passthrough - What are the options? : r/CarAV](https://preview.redd.it/i-would-like-to-replace-this-large-sub-box-with-small-v0-519z1b14nm491.jpg?width=640&crop=smart&auto=webp&s=4207a77494e9257260f0ad0d71a60813b0030642)