Kooks Custom Headers 11313600 GREEN Catted H-Pipe Fits 05-10 MustangExhaust Crossover Pipe GREEN Catted H Pipe GREEN Catted H Pipe; 2 1 2 in. Inlet x 2 1 2 in. Outlet; Must Be Used w Kooks Headers; SPECIFICATIONS: WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: This product can expose you to chemicals including Chromium and Nickel; which are known to the State of California to cause cancer; birth defects or reproductive harm. For more information go to www. p65warnings. ca. gov FEATURES: 100