Window tints can enhance the street-cred of a car, just as barbed-wire tattoos enhance the street-cred of a picket fence. Boost your automotive image with today's Groupon: for $49, you get $100 worth of window tinting at L.A. Tint in Manassas.

L.A. Tint's factory-trained technicians curtail heat with scratch-resistant Formula One tint films, which come recommended by the Skin Cancer Foundation. Window tints are both practical and stylish, like leopard-print Post-It notes, and keep the interiors safe from high temperatures, UV rays, and blinding glares. Drivers seeking some shade can enlist the aid of two front-window tints ($89), and a full tint job for a two-door car ($169) keeps the sun from sneaking in through a side door or rear entrance. Prices range based on the car's size and ability to sit without blinking, and all tints are backed by a national manufacturer's lifetime warranty.