Protection for your Porsche 911 windshield has never been easier. Stop fearing chips, pitting, or windshield breakage. With the purchase of our Windshield Stack 4-layer Tear-Offs you can install it yourself easily as it is already cut, and heat molded to fit your windshield. The top 3 layers can be removed effortlessly during the race if required by simply pulling the tab on the top right corner of the windshield. The product can also be stacked to provide additional layers of protection with no distortion or loss of visibility. Protection for not only the track, but for everyday road hazards.