Turbo Heat : 1. Outer Made From Pulverized Lava Rock (Tough Titanium Outer Fiber Fabric) 2. Inner Insulation Made Of Fiberglass 3. Underside Made From Pulverized Lava Rock (Tough Titanium Fabric) 4. Description: Made From High Quality Materials. This heat is specifically designed to reduce the radiant heat from turbochargers. It reduces the turbo and assists to increase turbo spool time. It also significantly reduces under hood temperatures, 5. Which serves to protect major engine parts (Headers, Downpipes, Etc.), hoses (Vacuum Hoses, Couplers, Coolant, Etc.), body parts (Hoods, Fenders, Headlights, Etc.), and painted surfaces from high heat damage. Heat guide: Titanium high temperature wrap: 2500F max. installed by the novice and pro alike,Protects under hood wiring & electronics Type: Turbo Heat Blanket Condition: 100% New Fitment: Direct Fit Application, Check Fitment Chart Fitment: Suitable for GT35/ GT37/ GT40/ GT42/ GT45/ GT46/ GT47/ GT55/ T61/ T67/ T71/ T77/ T78/ T81/ T88/ T51R or any other T4 Turbo color:Titanium Material:Fiberglass+Stainless Steel Package Contents: 1 x Turbo Heat Blanket 2 x Locking Springs Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.