Developing systems for the C8 Z06 Corvette presented BORLA® engineers with unique challenges, but our team was up to the challenge. This 3" inlet Cat-Back™ system includes NPP dual mode exhaust valves (NO DFM valves on Z06). It delivers the aggressive ATAK® sound with no drone inside the vehicle. The system contains our patented SwitchFire™ design that truly blends the combustion pulses from both sides of the engine for improved performance and a custom sound. Tips NOT Included, tips exit thru the Original Equipment (O.E.) tips mounted in the valance, reuse O.E. tips, or install optional BORLA® tips 60740CFSB. Strategically placed heat shielding is included to prevent exhaust heat damage and protect your Corvette. Incl. wire harness ext. for pass. side NPP valve. Note: After installing the BORLA® system, the controllers for the NPP valves in the exhaust system should be RE-CALIBRATED according to GM Document ID 5406413. BORLA® recommends taking your car to the nearest Chevrolet dealer for the recalibration service. System Features:; Cat-Back™ Exhaust System; Includes NPP Valves; ATAK® Sound Level; SwitchFire™ Technology; Includes Heat Shielding; Tips NOT included, reuse O.E. tips, or install optional BORLA® tips; T-304 Stainless Steel Construction; Million Mile Warranty