Borla Corvette Z06 X PipeBorla Corvette Z06 X Pipe This 2. 5" diameter performance Merge X Pipe with Mid Pipes creates power while adding a great sound to the C5 C5 Z06 Corvette systems. In testing, customers and racers alike noticed the power increase youve come to expect from BORLA, and all commented on the great exhaust tone being emitted. This sophisticated component (Part #60087) is a perfect compliment to the famous BORLA Cat Back systems and is even lighter than the