i got my 3M crystalline 70 tinting done at Sunway Mas. the name of the shop is called TintWorks.

i've been using 3M tints ever since i started driving.... currently using 3M crystalline 70 for the whole car. no regrets using 3M tints.....how does it compare to V-kool? i dunno bcoz i havent used v-kool b4 and it's unfair to comment. but all i know is that 3M is a reputable brand from a very reputable company with good R&D. furthermore my dad has been working with 3M for 39 years hence i'm pro 3M

the only downside abt the crystalline like KITT mentioned, not smartag frenly which is not really a big problem coz my windscreen has a small section with print-on antenna so that part is not tinted...just put my smartag there when i pass through the toll booth.

i did mine at an authorized 3M dealer which is TintWorks at Sunway Mas.