What's the name of the song playing at the end of 2x04?(The Ex-Files)

"Shove It", by Santogold.

In case you need it, here's a list of all the music played in the episode "The Ex-Files":
"Morning Tide" by The Little Ones
"Good Day" by Nappy Roots ft Greg Street
"The Observer" by Chris Chavez
"Buildings & Mountains" by The Republic Tigers
"Came To Party" by Miss Eighty 6
"Electric Feel" by MGMT
"Hold Up" by Young Mennace
"Doin' My Thing" by King Juju
"Please Remain Calm" by Cloud Cult
"Shove It" by Santogold ft Spank Rock
( link )

Shove it by Santogold.