Travis Barker is opening up like never before. The Blink-182 drummer stars in the new Hulu documentary, “Travis Barker: Louder Than Fear,” out now, detailing everything from his near-fatal plane crash in 2008 to a “terrifying” surgery, wife Kourtney Kardashian’s miscarriage, their IVF journey and so much more. The documentary, which was filmed over nine years (from 2017 to 2026), also features a special posthumous cameo from late Foo Fighters drummer Taylor Hawkins, who recalled what it was like meeting Barker when his pal was just a kid. Keep reading as Page Six breaks down the biggest revelations from the emotional documentary. Taylor…