There's definitely no "i" there. The "v" at the end can get devoiced to "f" in casual speech, but people don't think of it as "f", because in other forms of th

There's definitely no "i" there. The "v" at the end can get devoiced to "f" in casual speech, but people don't think of it as "f", because in other forms of the word, where it has postfixes - it still has to be pronounced as "v". It's a little like "speakin'" vs "speaking".