Update: I just bought a set of four B381's from Costco yesterday. With a sale, they came to around $100 per tire out the door. Already feel the difference in coasting, although I didn't do any coastdown testing on the previous yokohama stock tires that were on it(don't have much time these days). I'll run a couple tanks, then update this thread on MPG increase for others researching B381 ....
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