STAINLESS WORKS Long Tube Headers & Y-Pipe w/ Catalytic Converters, FACTORY CONNECT, 1-7/8 x 3 x 3 (2015-2019 Tahoe & Yukon 5.3L V8) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS