Remarkable Power RK7544-2.5" x 4" Heavy Duty Stainless Steel Exhaust Flex Pipe 8" OL Brand New Double Braided Flex Pipe 2.5" x 4" Inlet / Outlet Diameter: 2.5" Flex Pipe Length: 4" Flex Pipe Total Length (including extension): 8" Directly bolt-on with no modification required Profession Installation highly recommended