E-40) 2009: „Kush Is My Cologne” (Gucci Mane featuring Bun B, E-40 & Devin the Dude) 2009: „40 Dayz” (Stormshadowz featuring E-40) 2010: „ZipLock” (Mac Wayne featuring E-40) 2010: „You Don't Wanna Funk” (Kutt Calhoun featuring BG Bulletwound & E-40) 2010: „Do It” (Drew Deezy featuring E-40) 2010: „Welcome To California” (40 Glocc featuring Seven, Snoop Dogg, Xzibit, E-40 & Too Short) 2010: „Since the 90's” (Pimp C featuring The Gator Main & E-40) 2010: „Go Girl” (Baby Bash featuring E-40) 2011: „Treal” (Keak da Sneak, P.S.D. Tha Drivah & Messy Marv featuring E-40 & Nio Tha Gift) 2011: „Out Of Control” (Moonshine Bandits featuring E-40) 2011: „Feel N Like Pac” (Philthy Rich featuring E-40) 2011: „Knockin” (Travis Barker featuring Snoop Dogg, Ludacris, E-40 & Dev 2011: „My Fuckin' House” (Snoop Dogg featuring Young Jeezy & E-40)