Got the D4 package with the loud street. The sound is really something special. It is much louder than the stock. It screems in the higher rev range. Power gains are very noticable. It really make the car tranformed. I love it!!!!

man oh man i got the crack pipe with headers and this thing is so insane great quality great sound and insanely loud you need to get one of these for your cars Dundon is my new place for getting mods for my gt3 rs