So I'm thinking about building a TC nickel coil on my kayfun v4.
But I thought I'd need the peek insulator upgrade kit for sub ohm on the KFv4 (is it called the 4S Kit)?
Or is this not needed due to TC?
But I thought I'd need the peek insulator upgrade kit for sub ohm on the KFv4 (is it called the 4S Kit)?
Or is this not needed due to TC?