AFE DFS780 Fuel System (Boost Activated) 11-16 GM 6.6L Duramax 2018 GMC 6.6L Duramax L5P All aFe exhaust systems are

All aFe exhaust systems are engineered and manufactured in their Corona

Billet Aluminum Inlet/Outlets: Each BladeRunner Intercooler uses billet aluminum inlets and outlets for superior strength and durability

matched ports and has a merged runner design to maximize exhaust flow

which means no zerk fitting

5" ID Outlet

AFE DFS780 Fuel System (Boost Activated) 11-16 GM 6.6L Duramax 2018 GMC 6.6L Duramax L5P All aFe exhaust systems areGrab the AFE DFS780 Fuel System with Boost Activation for your 6. 6L Duramax and be amazed with the difference between AFE's fuel system vs other aftermarket brands. Four years of testing is what it takes to make a fuel system perfect, and AFE spent the time to make sure that they developed a system that has no rival. Instead of a lengthy and time consuming installation like other brands, the DFS780 installs in just a few hours for immediate use. It's