It's always nice when one product gives you as many different benefits as seems possible. The Thule Sonic Cargo Box is one such product. 

Thanks to this wonderful rooftop cargo carrier, now you can buy back interior space without sacrificing much in the way of MPGs. The Thule Sonic Cargo Box features an innovative design that utilizes an AeroNose front and angled rear to lower drag, improve gas mileage, and lessen wind noise. This Sonic Cargo Box also looks smooth as all get-out and works with most factory and aftermarket crossbars. With a variety of special touches that make it as convenient as it is slick, this carrier is also easy to attach and install and comes with enough options to ensure you get exactly what you need and want.

Don't sacrifice anything when it comes to making your next road trip more comfortable. Everything you're looking for is readily available with the Thule Sonic Cargo Box. Backed by a Lifetime Warranty.