Pilot Motorsports PM-5105 Stainless Steel Bolt-On Exhaust Tip, Oval Slant, 4-1/2" Outlet Diameter 10-1/2" Length Oval slant Outlet diameter: 4 1/2" Inlet diameter: 3 1/4" Length: 10 1/2" Fits: 2 1/2" to 3 1/4" pipes