Are you allowed a radar detector in your area? Might be better to first invest in that before a CAI since you will be romping on it more often with it installed. It's just too cool sounding with it installed. Maybe I'll take my vid cam out for a drive to record the sound on the highway. My CAI install vid has the windows rolled up at the end when I finished installing it and took it for a spin. It is much better sounding with the windows down.