Thanks.
I had Huper Optik Drei (which is a metallic tint) on my S4 ( no Navi) and had zero issues as for cell phone and sat radio reception.
My new car will have navi so I do not want to risk any possible interferences.
HO Drei was great as for heat rejection ( 70% TSER at 35% VLT). At the same time it was very durable. I had HO Drei on mu 2007 Acura TSX for 5 years . Small kids in the back seat touching windows all the time and no issue with scratches.
Since I am in Arizona I am thinking about Photosync 35% VLT which has max TSER 79% not being a metallic tint.
I still have time to decide since my 2014 Monsoon Gray S4 ( 6 speed MT

) is being built.

Originally Posted by
jauri
i have spectra photosync 75 on the s4.
i had llumar blue 80 before the photosync. the heat rejection is definitely better, but i wish i had gone a little darker. will take some pictures later.
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