Kooks stainless steel connection pipes are catted OEM-style connection pieces for 2016 and later Cadillac CTS-V LT4 6.2L applications, sized 3" to 2-3/4" OEM green catted. They require cutting the stock exhaust for installation and are constructed from stainless steel. Kooks positions these as fitment-specific pieces intended to integrate with the vehicle's existing exhaust when modifying systems.
Kooks 16+ Cadillac CTS-V LT4 6.2L 3in OEM Green Catted SS Connection Pipes (Req Cutting Stock Exh)