Since u're using espri, basically, u can put hc-e (1.3 efi) engine in your engine bay.....Its legal to that but need to get approval from JPJ/ Puspakom....Deto 1.6 is hardly to get endorsement from the authority/gov nowadays...:(
hehehe...got some info.....
There another way to get a cold air intake for the engine.....usually from the front bumper..but dis is interesting ones.....so let see it......
