Bought my Westy in 1990 and had the windows tinted first thing. It's been 24 years with no issues. 
Mike M

Sent from my iPhone

On Nov 27, 2014, at 1:45 PM, Dan N <dn92610@GMAIL.COM> wrote:

> I has mine tinted since 2006 - 8 years... and there's no bubbles, no shift
> of color, no peeling..
> 
> and yes there are scratches which are unavoidable...