1-7/8″ Header and Catted Connection Kit. 2014-2018 GM 1500 Series Truck 5.3L.

2015-2020 Chevrolet Suburban LS 5.3L V8, 2015-2020 Chevrolet Suburban LT 5.3L V8, 2015-2016 Chevrolet Suburban LTZ 5.3L V8, 2017-2020 Chevrolet Suburban Premier 5.3L V8, 2014-2018 Chevrolet Silverado 1500 High Country 5.3L V8, 2014-2018 Chevrolet Silverado 1500 WT 5.3L V8, 2014-2018 Chevrolet Silverado 1500 LT 5.3L V8, 2014-2018 Chevrolet Silverado 1500 LTZ 5.3L V8, 2015-2018 Chevrolet Silverado 1500 LS 5.3L V8, 2016-2018 Chevrolet Silverado 1500 Custom 5.3L V8, 2015-2020 Chevrolet Tahoe LT 5.3L V8, 2015-2020 Chevrolet Tahoe LS 5.3L V8, 2015-2016 Chevrolet Tahoe LTZ 5.3L V8, 2016-2017 Chevrolet Tahoe Z71 5.3L V8, 2017-2020 Chevrolet Tahoe Premier 5.3L V8, 2018-2018 Chevrolet Tahoe Midnight Edition 5.3L V8, 2015-2020 GMC Yukon XL SLE 5.3L V8, 2015-2020 GMC Yukon XL SLT 5.3L V8, 2014-2018 GMC Sierra 1500 SLT 5.3L V8, 2014-2018 GMC Sierra 1500 Base 5.3L V8, 2014-2018 GMC Sierra 1500 SLE 5.3L V8, 2014-2018 GMC Sierra 1500 Denali 5.3L V8, 2015-2020 GMC Yukon SLE 5.3L V8, 2015-2020 GMC Yukon SLT 5.3L V8