I fitted my HKS SSQV and my cooling panel this afternoon after cleaning the engine bay out, got to say its a totally amazing sound, a short chirp, love it. It looks great in the engine bay aswell, can't say i notice and performance gains or losses as i heard it can spoil the spool up time but seems good so far. Next stage will be updating the driving bulbs and getting a relocation pipe for my Apexi Power Intake. Stay tuned. Enjoy the pics.