Headers for 2005-2006 Toyota Tundra with the 4.7L VVT-i V8 Engine. Part number THY-512-C. These shorty headers are made to replace the stock exhaust manifolds and are CARB Legal.These Doug Thorley headers are constructed of 14-gauge tubing with 3/8-inch flanges to give you the best quality you can get in a header! Plus they are ceramic coated to give a lifetime of performance!