AFE Large Bore-HD 4" 409 Stainless Steel DPF-Back Exhaust System 11-16 GM 6.6L Duramax LML Finish Selection:6" Black Tips This intercooler outflows OE style

This intercooler outflows OE style tube and fin core designs by 10%

Even with a standard "stock" pump

and can potentially break the stock flex plate and input shaft

Featuring a smoked black housing

7 Powerstroke had two radiators

AFE Large Bore-HD 4" 409 Stainless Steel DPF-Back Exhaust System 11-16 GM 6.6L Duramax LML Finish Selection:6" Black Tips This intercooler outflows OE styleAesthetics and function. Thats what you get with aFes Large Bore HD 4 409 Stainless Steel DPF Back Exhaust system for your GM Duramax. This system is constructed from 4" mandrel bent 409 stainless steel tubing and uses high quality band clamps and OE style bayonet hangers. This unit uses all factory mounting locations and comes with a bolt on bracket that supports the driverside tailpipe. This provides for a quick, hassle free installation with no