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fe wise no (toyota 3 stage filter work great as filters. go amsoil filter if u want a better on than k'n)
hp wise fill up with 93 for 3 tanks, and u will feel a difference, that vvt-i and 3.5 (2gr loves high test, but for some reason for toyota to get the full effect of anything about 3 tanks worth must be run through it.
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