Never had resonated short tails, but my first exhaust mod was cybox short tails and them alone. Just doing this the sound was far too loud and it was horrible.
since then I have replaced the cybox with some custom small backboxes made by a company called Topgear in Bridport who use Longlife exhaust parts, similar to Powerflow. The exhaust sounded better, but I wanted louder so got the mid box resonators removed. Again it made it a bit better. Most recently I had the torqen HFC’s fitted and yes its raspier, but the sound is much closer to what I wanted, the car was a daily, so had to be civil, but sound like a 3.7 V6!
I did post a video on a thread on here a while back, of you search for my posts you should be able to find it easily.
I am tempted to do the final bit (Y-pipe) when I can get a good deal on one!