The new, easy fit design of the Rogue Series Turbo Cover keeps the turbine spooled up, reducing turbo lag. The dual layer construction increases performance and durability, reduces under hood temperatures, improves horsepower and performance by maintaining temperatures inside the turbo. Includes wiring for easy installation. Details: Turbo Type T4 Black Color Keeps the turbine spooled up Reduce turbo lag Dual layer construction increases performance and durability Reduces under hood temperatures Improves horsepower Includes wiring for easy installation Width: 3.25"; Front Width: 3.25"; Total Front Width: 7.25"; Height: 8"; Top Material Height: 1.75"; Circumference: 23"