The 11903 Borla ATAK is the loudest of the Borla C7 Corvette Z06 line up. It delivers a deep and aggressive sound through out the entire RPM range. The Borla Z06 ATAK axle back exhaust uses twin valves to allow for full exhaust sound or it can be muted to allow for a quieter ride. This Borla C7 Corvette Z06 Exhaust features the 4.25" Dual Round Rolled Angle Cut Tips and has been Dyno Tested to increase both Horsepower and Torque.
Product Note: Fits (2015-Current) Corvette Z06 with Factory NPP Exhaust Option Only