Mount an offensive to regain optimum acoustics with Borla Aggressive ATAK cat-back systems. Your modern musclecar will not only be performance-enhanced, but also acoustically-tuned to a loud, aggressive exhaust note, making those of you who prefer the sound of your exhaust over your stereo very happy! ATAK (acoustically-tuned applied kinetics) technology produces the highest dB levels, avoiding distortion to retain clarity. Tuned like a graphic equalizer, these cat-back systems are custom-tuned for your specific vehicle, delivering the most desirable sound to your ears. Plus, you retain all of the power-adding capabilities of Borla's multi-core design. These systems are handmade in the USA by master crafts people from premium 300-Series high-quality austenitic stainless steel and ultra-smooth, mandrel-bent piping. Bolt on the finest craftsmanship, unmatched performance, and intoxicating sound with Borla Aggressive ATAK cat-back systems.