Just tinted mine with Ceramic 30%. I could not find 35% pre cut ceramic so I went with 30%. My state has a 33% rule so I figured 30% would work with the error factor. Otherwise I would have to go with non ceramic or 40%. I also tinted the rears with 30% and its kind of limo from the outside but looks good and from the inside really not much difference. Seems a tad darker but not much. You would think factory 20 and a layer of 30% would be super dark but its not.