1-7/8" Header and GREEN Connection Kit. 2014-2018 GM 1500 Series Truck 5.3L. ATC expander Remains flexible under extreme temperatures

Remains flexible under extreme temperatures to withstand seasonal changes

Beveled edges help contain spills and debris within the liner

This kit includes a 33mm hollow rear bar can be adjusted incrementally from +20% to +70% stiffer

5in 409 SS Axle-Back Exhaust w/ Black Tips 2018+ Jeep Wrangler (JL) V6 3

1-7/8" Header and GREEN Connection Kit. 2014-2018 GM 1500 Series Truck 5.3L. ATC expander Remains flexible under extreme temperaturesHeader and Connection Kit. 2014 2018 GM 1500 Series Truck 2015 2020 SUV 5. 3L. Includes 1 7 8" x 3" Stainless Steel Long Tube Headers & 3" x 2 3 4"(OEM) GREEN Catted Stainless Steel Y Pipe.