3" x 3"(OEM) H.O. 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 H.O. GREEN cats are rated for 1000+ wheel horsepower and are suitable for forced induction applications.Does not connect to OEM exhaust manifolds/cats. Requires Kooks Long Tube Headers!