Weathertech Side Window Deflectors, Weathertech Vent Visors Chevy Impala 2003. Remember when vehicles were equipped with those ugly wing windows that folded out for better ventilation and noise deflection? Sure, they were handy back then, but times have changed. Today, Weathertech's Side Window Deflectors are the solution to a stuffy cockpit. These low-profile deflectors let you open your windows without the ear-splitting wind noise. Plus, you can keep your windows partially open on those rainy days without your vehicle getting completely drenched. Precision crafted from high-impact acrylic, your Side Window Deflectors can withstand blows from airborne road rubble, kamikaze bugs, and other roadway hazards. And, they are specially treated to resist blistering UV rays and scratching. Completely custom made for a seamless fit, your Side Window Deflectors easily install in your window channel using a micro-thin mounting flangeno drilling! Choose from a Light Smoke or Dark Smoke finish. Includes 1-year warranty. 2003 Chevy Impala Weathertech Side Window Deflectors, Weathertech Vent Visors. Deflectors, Vent Visors.