Since this version of the j-pipe deletes the 3rd cat completely, you’ll fail the visual inspection immediately. Unless you run some kind of cats all around, or at least have gutted cats or factory heat shields around the cats, you’ll probably fail the visual inspection for sure.
I would say the car feels less restricted since it does delete the 3rd cat but as far as gains it’s very little, it basically makes the car sound a lot better and in a way preps for PCDs (where I should certainly see good gains paired up the j pipe ) the stock exhaust has so much restriction with all those cats(3 in total ).