Remarkable Power RK7547 Exhaust Flex Pipe 2.5" x 10" Heavy Duty Stainless Steel 14"OL Brand New Flex Pipe It comes with 1 Piece of Double Braided Flex Pipe 2.5" x 10" Inlet Diameter: 2.5 Directly bolt-on with no modification require Flex Pipe Total Length (including extension) : 14" Profession Installation highly recommended,no Instruction will be provided