It's a original Cobra alarm from KIA (dunno what car)
My fren thought it is spoilt oledi,so he went to change another set of alarm.
After that he realise the Cobra alarm is still working and no point reinstall it coz of the labour charge. My fren call me to sell this set to cover the new alarm that he install.
Isit all EVO got a sound like "KOK" when revv engine and then change gear ?? last time i sit beside a evo 7..the car supplier drive it..when it change gear it comes out a "KOK" sound..it say all evo is like...