Shorty Headers with 3-Bolt Flange Collector

The Doug Thorley THY-511-C is a shortie header constructed from durable steel with a silver ceramic coating, engineered to enhance the performance of 2000-2004 Toyota Tacoma and 4Runner models equipped with 2.4L or 2.7L engines. This header features a 1-1/2" primary tube diameter with 14-gauge tubing, a 3-bolt flange collector with a 2-1/4" diameter, and a 3/8" thick flange. Installation of these shortie headers is described as a simple bolt-on process, intended to provide a noticeable horsepower increase and improve acceleration. The product comes as a complete kit, including necessary bolts and gaskets. It is backed by a limited lifetime warranty to the original purchaser and carries a CARB E.O. #: D-540-6.