This is the new and improved Borla ATAK system and has our most aggressive sound.

Product Type: Cat-Back™
Pipe Diameter: Single 2.5" Into Muffler, Exiting Dual 2"
Tip Size: 4.25" x 3.5"
Tip Description: Dual Oval Rolled Angle-Cut
Exit: Dual Split Rear Exit
QUICK FACTS
This exhaust utilizes the incredible, aggressive, and clean exhaust note that the Borla ATAK systems are known for and has new and improved mufflers designed to minimalize cabin drone. This exhaust system is loud, aggressive, and clean, and really gives a true race-car quality sound to your exhaust. The drone is greatly reduced from the prior ATAK systems thanks to newly improved ATAK mufflers, and there's no compromising of the exhaust tone and exterior exhaust volume This is the new and improved Borla ATAK system for the C5 Corvette.
ATAK™, Acoustically-Tuned Applied Kinetics, technology is based on specifically-tuned attributes of the internal muffler cores, which are calibrated on a vehicle-by-vehicle basis to deliver the most desirable sound. This is our most aggressive sound for the C6 Corvette. Even though the sound on the exterior is uncompromising, the sound in the cabin is devoid of harsh resonance, a product of painstaking engineering and over 30 years of experience.