Vinnie P ain't a Muslim.
And for the most part I think he spits life science. This is why he discusses the Quran, Bible, Astrology, Astro-travel, Aliens, Drugs (narcotic or otherwise), Homosexuality, Oppression, Violence, Mind Control etc. They're relevant topics not being covered by very many other rappers..
And SwampFight, good call on the Uncommon Valor joint being a true story. Tried to send you some props but it said I had to spread the rep around.