I bought brand new wheels and Wildpeaks on all four corners (265-70-17s) and after two balancing attempts by Discount Tire, I'm still getting a 55+ mph steering wheel shimmy.
A quick Google shows the Tacoma guys experiencing lots of Wildpeak issues:
Falken Wildpeak Issues | Tacoma World
At this point I'm not sure if I should find different stores to keep rebalancing, get new Wildpeaks or get new different brand tires.
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2004 SR5 4WD | 5100s | Level 8 MK6s