GIBSON LS1/LS2 SAND RAIL HEADERS W/ MUFFLERS Product Description:
Gibson sand rail off-road headers with mufflers. These headers will fit all LS series engines including the LS7. They are designed to fit most rear engine sand cars. The headers are fully welded and then ceramic coated to withstand high temperatures. They feature 1.75" primaries, are constructed of 14 gauge mandrel bent steel, and include an O2 bung. They use a Gibson exclusive muffler with an internal spinner design that does not have packing to blow out and maximizes horsepower throughout the RPM range.