Stampede 41066-2 Snap-Inz In-Channel Sidewind Deflector, Smoke, 4 pc. for 2007-2013 Chevrolet Silverado/GMC Sierra 1500, 2500, 3500, 2007-2014 Chevrolet Avalanche, Suburban/GMC Yukon XL Crew Cab

Beat the elements and add some attitude to your Truck, Van or SUV. Sidewind Deflectors allow you to keep your windows partially open, to provide ventilation to the interior. Today's modern aerodynamic body styles with form fitting doors and windows no longer feature "rain gutters" to channel away water. The result is usually water dripping into the interior. Sidewinds act like a "drip-edge" for your vehicle, this allows you to keep your window partially open for ventilation, without the rain getting in. As air flows around the outside edge of the sidewind it creates a small low pressure area underneath it (much like an airplane wing) which creates suction to keep out the wind and draw out the stale air from inside your vehicle.