You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, join TSXClub.com today!
I think replacing with another free air sub is not going to give you any advantages, you might even lose some quality. I would consider possibly building a box around the stock sub location, which might conflict with some trunk space.