Borla ATAK Catback Exhaust System | 2023+ Nissan Z (140930)ATAK Catback Exhaust System for 2023+ Nissan Z by Borla This system is a True Dual design that features a Resonator with an internal H Pipe, Polyphonic harmonizer technolgy, and SwitchFire technology. All of these features combine to create the ATAK sound level, our most aggressive sound. It provides a more exciting driving experience without any drone.. The Merge X Pipe blends the combustion pulses from both sides of the engine for improved