NUEVO LS Intercambiable Hierro Fundido Colector de Escape Cabezal para Chevy LS1/LS2/LS3 4.8/5.3/6.0L
Their contoured design aims the exhaust directly at the exit port for greatly improved flow. They are cast from high silicon moly ductile iron to provide durability, leak free performance and less under the hood noise than conventional headers.