With the Turbo Exhaust Cover, the wind cannot turn the turbo. The Turbo saver Cover eliminates the need to use duct tape or rags in the exhaust pipe and is reusable. Great for transporting equipment 

One New Red 12" Exhaust Cover made to be Universal. made of Heavy Duty truck tarp vinyl coated polyester  the same material use to make semi-truck tarps ( not seat cover material that will tear easily ) 
Made In the USA. comes with 21'' American made rubber tarp strap 
 
Protect your equipment from wind, rain, snow and dirt with this Turbo saver Cover exhaust cover

High speed winds can cause the turbo blades to spin and due to lack of lubrication he bearings can be Ruined 

With the Turbo Saver Cover, the wind cannot turn the turbo.

Fits up to a 12" exhaust 15 1/2" Tall at highest point