You need the spacer. It's a much deeper woofer, would foul on the window regulator mech if not attached to spacer.
have you seen the gladen one extreme kits for the mk5 golf exactly the same set up just even more power full
What I intend to do is change the fronts, keep the rears OEM, and add an amp, all connected to my RNS 510. I don't know if anyone can recommend an installer/company in the south east who can help me with this??Sent from my iPhone using Tapatalk