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This Kooks catted Y-pipe is a 3.00" to 2.75" stainless steel Y designed for 2014–2018 GM 1500 series trucks and 2015–2020 SUVs with the 5.3L engine. It must be used with Kooks long-tube headers and connects to the OEM exhaust outlet. Standard Kooks cats are not recommended for forced-induction use. The Y-pipe provides a direct replacement to integrate Kooks headers with the factory exhaust path.
Kooks 14+ GM 1500 Series Truck 5.3L 3in x OEM Out Cat SS Y Pipe Kooks HDR Req
