Mishimoto 2004.5-2016 Chevrolet/GMC 6.6L Duramax Turbo Blanket LLY CNC machined ports match the

CNC machined ports match the factory port openings which maximizes exhaust flow

With the stock exhaust nozzle measuring 2

It features an opening

and heavy duty tubes to increase cooling efficiency

Mishimoto 2004.5-2016 Chevrolet/GMC 6.6L Duramax Turbo Blanket LLY CNC machined ports match theHelp reduce the heat in your 2004. 5 2016 Chevrolet GMC 6. 6L LLY, LBZ, LMM, and LML Duramax engine bay with this Mishimoto turbo blanket. One of the main drawbacks to a turbocharger is the massive amount of heat that it produces. That heat can severely affect intake air temperatures and rob your engine of power. Additionally, keeping the exhaust gases that spin your turbo hot makes for a more efficient, better spooling turbo. That's why it's so