3.4L V6 Tri-Y Headers with Y-Pipe, Silver Ceramic Coated

The Doug Thorley THY-507-C headers offer a performance upgrade for the 3.4L V6 engine in select Toyota and Lexus vehicles. This kit features 3:1 Tri-Y long tube headers, designed to improve exhaust flow and unlock noticeable increases in power output. Constructed from durable steel with a silver ceramic coating for heat resistance and aesthetics, the headers have 1-1/2" primary tubes and a 2-1/4" collector diameter. They utilize a 2-bolt factory flange for attachment. The kit includes a complete performance Y-pipe with 2-1/4" inlets and a 2-1/2" outlet, which will require welding to connect to your existing exhaust system. Bolts are included, but you will need to reuse your factory manifold gaskets. It is compatible with 1995-2004 Toyota Tacomas, 1995-2002 Toyota 4Runners, and 2000-2004 Toyota Tundras, all equipped with the 3.4L V6 engine. The CARB E.O. number for this product is D-540-6. Doug Thorley Headers provides a Limited Lifetime Warranty to the original purchaser.