Cars:
24 Hours Of LeMons - hilarious stories/commentary on the misadventures of racing shitboxes.
Aging Wheels - dude with a deadpan sense of humor, working on old piece of shit cars.
Bad Chad - local dude who builds hot rods, now has a Discovery Channel show. Lots of talk about welding and paint and making cool shit out of fuck all.
Music:
NPR Music - Tiny Desk concerts!
KEXP - Seattle radio station with awesome live music. Khruangbin, Brown Sabbath, King Gizzard, discovered so much good music on there.
Polyphonic - well-researched documentaries on different bands/artists.
Food:
Glen & Friends Cooking
Babish
Thy Than - Vietnamese youtuber making amazing desserts and shit.
Other:
Zebra Corner - Mahk is my hero.
Qxir - Irish kid who puts up "Tales from the Bottle" videos. The killdozer video is great, piles of other good stuff on his channel.