3" x 3"(OEM) GREEN Catted Stainless X-Pipe. Fits 2006-2013 Chevrolet Corvette C6 Z06/ZR1 LS7/LS9 7.0L/6.2LREVISION - **TORCA SWIVEL-SEAL CONNECTIONS AND 3 PIECE X-SECTION FOR IMPROVED FITMENT** - The revised C6 Corvette X-Pipe is designed to connect to the revised C6 TORCA-clamp headers. It will not connect to the old-style 2-bolt flange headers. Please contact Kooks if you wish to purchase an X-pipe to connect to the old-style headers.Includes 3" x 3" Mid-Pipes to connect to 3" OEM (Z06/ZR1 Style) Exhaust. Also includes all necessary clamps for installation.Kooks GREEN cats are rated for up to 750 wheel horsepower and are suitable for forced induction applications.Does not connect to OEM exhaust manifolds/cats. Requires Kooks Long Tube Headers!