# Wehrli 04.5-16 Chevrolet 6.6L LLY/LBZ/LMM/LML Duramax VGT Exhaust Housing Heat Blanket 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 - Lowers underhood temperatures - Controls radiant exhaust heat - Internally rated to over 2,500 deg F direct heat - Durable high temperature exterior shell - Stainless steel rivet fasteners - Handmade in the USA - Easy Installation This Part Fits: Year Make Model Submodel 2004-2005 Chevrolet Silverado 2500 HD Base 2015-2016 Chevrolet Silverado 2500 HD High Country 2005-2006 Chevrolet Silverado 2500 HD LS 2005-2016 Chevrolet Silverado 2500 HD LT 2007-2016 Chevrolet Silverado 2500 HD LTZ 2006-2016 Chevrolet Silverado 2500 HD WT 2007 Chevrolet Silverado 2500 HD Classic LS 2007 Chevrolet Silverado 2500 HD Classic LT 2007 Chevrolet Silverado 2500 HD Classic WT 2004-2005 Chevrolet Silverado 3500 Base 2004-2006 Chevrolet Silverado 3500 LS 2004-2006 Chevrolet Silverado 3500 LT 2004,2006 Chevrolet Silverado 3500 WT 2007 Chevrolet Silverado 3500 Classic LS 2007 Chevrolet Silverado 3500 Classic LT 2007 Chevrolet Silverado 3500 Classic WT 2015-2016 Chevrolet Silverado 3500 HD High Country 2007-2016 Chevrolet Silverado 3500 HD LT 2007-2016 Chevrolet Silverado 3500 HD LTZ 2007-2016 Chevrolet Silverado 3500 HD WT 2004-2005,2015-2016 GMC Sierra 2500 HD Base 2011-2016 GMC Sierra 2500 HD Denali 2006 GMC Sierra 2500 HD SL 2004-2016 GMC Sierra 2500 HD SLE 2004-2016 GMC Sierra 2500 HD SLT 2004-2014 GMC Sierra 2500 HD WT 2007 GMC Sierra 2500 HD Classic SL 2007 GMC Sierra 2500 HD Classic SLE 2007 GMC Sierra 2500 HD Classic SLT 2007 GMC Sierra 2500 HD Classic WT 2004-2005 GMC Sierra 3500 Base 2006 GMC Sierra 3500 SL 2004-2006 GMC Sierra 3500 SLE 2004-2006 GMC Sierra 3500 SLT 2004-2006 GMC Sierra 3500 WT 2007 GMC Sierra 3500 Classic SL 2007 GMC Sierra 3500 Classic SLE 2007 GMC Sierra 3500 Classic SLT 2007 GMC Sierra 3500 Classic WT 2015-2016 GMC Sierra 3500 HD Base 2011-2016 GMC Sierra 3500 HD Denali 2007-2016 GMC Sierra 3500 HD SLE 2007-2016 GMC Sierra 3500 HD SLT 2007-2014 GMC Sierra 3500 HD WT ## Details - **Price:** 242.99 CAD - **Vendor:** Wehrli - **Type:** Heat Shields ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 242.99 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - User 1 - Logo Image --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/wehrli-04-5-16-chevrolet-6-6l-lly-lbz-lmm-lml-duramax-vgt-exhaust-housing-heat-blanket) > Updated: 2026-07-03