4 screws in total. Need to find those bodykit shop to fix it for you. You have any existing spoiler? I dunno whether the Ori spoiler fittings is suitable for this spoiler or not, coz my car didnt comes with the Ori spoiler.
Voltage Stabilizer, Voltage Regulator, Power xxxx, whatever... These are some big marketing words out there to promote these products. Many many brands out there all doing the same thing... Stabilize voltage, remove...