Remarkable Power RK7510-2.25" x 4" Heavy Duty Stainless Steel Exhaust Flex Pipe Brand New Double Braided Flex Pipe 2.25" x 4" Inlet / Outlet Diameter: 2.25" Flex Pipe Length: 4" Flex Pipe Total Length (including extension): 4" Directly bolt-on with no modification required Profession Installation highly recommended