Currently out in the Big Apple promoting his new single, “S.D.S.,” and forthcoming Watching Movies with the Sound Off album, Mac Miller paid a visit to Funk Flex‘s Hot97 spot, where he came with it over Mobb Deep’s “Survival of the Fittest” instrumental.

“A lot of you rappers ain’t f**king with Mac Miller” — Flex.

Watch Mac’s freestyle after the jump…

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