Invidia catback exhaust systems are designed specifically to improve performance, they achieve this by reducing bends in the exhaust system, using larger diameter piping. The reduced restriction also gives your vehicle a more aggressive tone for the sport enthusiast to enjoy. This improves throttle response, torque, horsepower and the overall driving experience. Catback exhausts are one of the most popular mods amongst casual and hardcore automotive enthusiasts alike. Their affordability, increase in performance, improved sound, and ease of installation make catback exhaust systems a perfect modification for nearly any vehicle.