Reduce under hood temps, increase turbocharger efficiency and clean up the engine bay on your 2004.5-2016 Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck equipped with the 6.6L Duramax diesel with Made in USA heat blankets from WCFab. - - Did you know that a turbocharger heat blanket can help lower the direct radiant heat from your turbo exhaust housing by up to 80%? Keeping that wasted thermal energy inside the housing and out of your engine compartment helps maintain exhaust gas velocity driving the turbine to improve efficiency and response (spool up) of your engine's turbocharger. - - These hand crafted blankets are designed to conform tightly around the stock exhaust housing on your truck's VVT. - - Engineered for extreme performance use - internal ceramic insulation material for these blankets has been rated to withstand over 2,500 degrees Fahrenheit from a direct heat source and is protected by a durable wire mesh layer for maximum resistance to abrasion caused by engine vibration. Finished in a durable grey high temperature shell with stainless steel rivet fasteners to provide an attractive covering for the ugly raw stock turbo exhaust housing. - - Fitment Note: Not compatible with metal OEM turbo heat shields.. VGT turbo heat blanket for 2004.5-2016 Chevy Silverado and GMC Sierra trucks equipped with the 6.6L Duramax Diesel Engine. Improves turbo spool up - increases turbocharger efficiency by keeping heat energy inside the turbo housing. Compatible with stock and aftermarket drop in replacement turbochargers for LLY, LBZ, LMM and LML Duramax. Wehrli 04.5-16 Chevrolet 6.6L LLY/LBZ/LMM/LML Duramax VGT Exhaust Housing Heat Blanket. Wehrli Custom Fab Heat Blanket, Turbo, VGT, fits LLY/LBZ/LMM/LML Duramax. Lowers underhood temperatures - Controls radiant exhaust heat. Heat Blanket, Turbo, VGT, fits LLY/LBZ/LMM/LML Duramax. Internally rated to over 2,500 deg F direct heat. NOT COMPATIBLE WITH FACTORY HEAT SHIELDS. Heat Blanket Turbo LLY/LBZ/LMM/LML Dmax. Durable high temperature exterior shell. Turbocharger Turbine Housing Blanket. Stainless steel rivet fasteners. Ht Blanket Turbo VVT. Handmade in the USA. Easy Installation

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