3:1 Tri-Y Headers with Y-Pipe

The Doug Thorley THY-507-C is a complete header kit featuring 3:1 Tri-Y long tube headers and a performance Y-pipe system designed to significantly increase power output for your 3.4L V6 Toyota vehicle. Constructed from durable steel with a silver ceramic coating, these headers have 1-1/2" primary tubes with a 14-gauge thickness and a 2-1/4" collector diameter that attaches to a 2-bolt factory flange. The included Y-pipe has a 2-1/4" inlet and a 2-1/2" outlet, requiring welding to connect to your existing exhaust system. This header system is compatible with the 1995-2004 Toyota Tacoma, the 1995-2002 Toyota 4Runner, and the 2000-2004 Toyota Tundra equipped with the 3.4L V6 engine. While the kit includes hardware for installation, users will need to reuse their factory manifold gaskets. The Y-pipe outlet requires welding to connect to the exhaust system. The product is sold as a complete kit and does not include catalytic converters. It carries a Limited Lifetime Warranty to the original purchaser and has a CARB E.O. #: D-540-6.