Tri-Y Long Tube Headers with Y-Pipe

The Doug Thorley Headers THY-352Y-L-C is a complete header and Y-pipe kit engineered for 2014-2017 Chevrolet Silverado and GMC Sierra trucks equipped with 5.3L V8 engines. Constructed from durable steel and finished with a silver ceramic coating, these long tube Tri-Y headers feature 1-3/4" primary tubes with a 14-gauge thickness and a 2-1/2" collector with a 3-bolt flange. The kit includes all necessary bolts and gaskets for installation. The Y-pipe included in the kit routes exhaust gases efficiently towards your existing exhaust system. Please note that while these headers are compatible with 6.2L engines, fabrication may be required to properly fit the Y-pipe outlet to your exhaust setup. Important compatibility and legal considerations apply: This product CANNOT BE SHIPPED TO THE STATE OF CALIFORNIA. Additionally, it is NOT LEGAL FOR STREET USE ON POLLUTION CONTROLLED VEHICLES due to its CARB E.O. # status. The kit is sold as a complete set and does not include catalytic converters. A limited lifetime warranty is provided to the original purchaser.