the apexi is 4-1
i have no full set
i mean after the 4-1, the 1 i dont have
please refer the below photo
the problem is my friend want to try this one
so this had reserved to my friend
and i need to swap with the original one either my friend want it or you want it
my car ecu may need to replace as the engine light is ON when i start the car every morning.
i heard that the replacement with same model will not long lasting, is it possible to change to other model like MMC ecu