It’s easy to go from Hated to Exalted with the Sons of Hodir faction! You can do it just by completing the intro quest chain this week during Wrath of the Lich King Timewalking! The faction offers multi-seater mammoth mounts at Revered and Exalted. This makes it the perfect opportunity to increase your mount collection! There’s only a day or two left in the week’s Timewalking event, so get to it!
Wrath Timewalking Reputation Buff
Sign of the Scourge this week increases reputation gains with Wrath of the Lich King factions from combat and quests by 50%.
Winds of Mysterious Fortune
The reason now is the time to get this done if you haven’t is the 
Winds of Mysterious Fortune XP bump, active now. This buff stacks with the Timewalking one. So now is the best time to get Sons of Hodir up to Exalted.
How Much XP is Needed to Reach Exalted?
You will need 84,000 reputation to go from Hated to Exalted. The Mending Fences and A Spark of Hope intro quests should be enough to get you to Exalted with the faction.
Where to Start the Sons of Hodir Questline?
Take the Crystalsong Forest portal to Dalaran from your portal room. Fly to K3 in Storm Peaks and talk to Gretchen Fizzlespark. She offers the They Took Our Men! intro quest with the faction.
Mammoth Mounts
At Revered, you can buy 
Reins of the Ice Mammoth (Alliance) and Reins of the Ice Mammoth (Horde) faction mounts. At Exalted, you can purchase Reins of the Grand Ice Mammoth (Alliance) and Reins of the Grand Ice Mammoth (Horde) faction mounts.
