Universal. Reversible Design 2.5" I.D. Inlet/ 2.5" O.D. Outlet Hydroformed SwithFire® X-Pipe Hydroformed Center Section provides a lower profile 21.1" Long x 7.8" Wide x 5.5" High. 4" Centerline spacing on Inlets and Outlets. Un-Notched necks are designed for weld in installation. If clamping, use wide (2 bolt stband clamps.