Quote:
Originally posted by akaMud:
15% for employer provided family coverage here.

45psi vs 35psi in 33" AT's on my '02 X boosted the mileage 20%,
Whats the risk of airing up that high? I've bumped mine up to 38 for roadtrips and the gain was negligible

Expecting harsh ride and middle thread wear. Wondering about the safety risk.