I have the s2 70mm currently on the car, but I have the comptech on order. I was thinking it was too loud, but now the more I drive it, the more I'm liking it the way it is. Should I keep it the way it is and put the comptech on the wife's 4dr, or should I sell the s2 and install the comptech on my coupe, and then sell the s2 and save for another comptech for the wife's car? Money is not the issue here btw. What should I do.