Universal Merge X-Pipe for building custom exhaust systems. X-Pipes increase performance and improve sound. 2.5" I.D. Inlets, 2.5" O.D. Outlets, 5.95" Wide x 2.5" High x 27.63" Overall Length. 3.21" Centerline on Inlets, 3.45" Centerline on Outlets. Inlets are angled in slightly. Outlets are angled out slightly. Clamps NOT included. Use 18325, 1" wide band clamps on notched Inlet connections. Use 18004, 3" wide band clamps on un-notched Outlet connections. Built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA® stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.