The 11911 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 is for use on C7 Corvettes Z06 with Standard Type Exhaust (Not NPP Valved Exhaust). 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 Standard Exhaust Option Only
Product Note: Retains the AMF Valves