AVS Sunflector adds a new level protection to the rear of your trucks cab from the glaring sun. The AVS Sunflector Rear Window Deflector installs right over your rig's rear window to block damaging solar rays and kick the style up a notch. Once installed, the Sunflector helps reduce heat build-up in your truck cab.
...glue strips were not consistent and with the back surface not being flat and even it needed additional work/finishing and gluing. With the needed work and additional expenses one could buy a high end product and perhaps avoid all the hustle. If not willing to DIY probably not a good buy.