No I have not gotten the tips yet.
The highway "cruising speed" noise (A.K.A. Droning noise) is kind of holding it back for me. Personally, I tried the golf-tee mod, and the drone is killing me
My last Japanese car had a modified cat-back system. So I am kind of preferring a quiet ride for now.
I am thinking about getting Hamann or OEM Performance kits. If I do, the exhaust change will become inevitable