【Specification】HOT SIDE INTERCOOLER PIPE & BOOT KIT : Pipe Diameter: 2.75" (Turbo Section),Pipe Diameter: 3" (Intercooler Section),1 PC 2.75” Constant-Tension T-Bolt Clamp, 3 PC 3.25” Constant-Tension T-Bolt Clamps, Silicone Boot 1: 2.75” to 3.00”, Silicone Boot 2: 3.00”; COLD SIDE INTERCOOLER PIPE & BOOT KIT: Pipe Diameter: 3" (Lower Section),Pipe Diameter: 3.5" (Upper Section),Boot 1: 3",Boot 3: 3" To 3.5" 【Application For】Replacement For 2011-2016 Ford 6.7L Powerstroke Diesel For F250 F350 F350 F550, F-250 F-350 F-350 F-450 【Materials】CNC-machined 6061 aluminum; Aluminum construction-rust free and heat dissipation for a long lifetime.Heavty duty four ply silicone boots and stainless steel T-bolt clamps. Constructed of mandrel-bent aluminum with a polished finish. Allowing for improvemen.