aFe LARGE Bore HD 4in Dual DPF-Back SS Exhaust w/Black Tip 16-17 GM Diesel Truck V8-6.6L (td) LML chrysler at 5500 RPM and 40+lb-ft

at 5500 RPM and 40+lb-ft of Torque at 4100 RPM over the stock manifolds when measured at the tire

88in PRO-XS Muffler

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aFe LARGE Bore HD 4in Dual DPF-Back SS Exhaust w/Black Tip 16-17 GM Diesel Truck V8-6.6L (td) LML chrysler at 5500 RPM and 40+lb-ftaFe LARGE Bore HD 4in Dual DPF Back SS Exhaust w Black Tip 16 17 GM Diesel Truck V8 6. 6L (td) LML Interested in a new exhaust system for your LML Duramax? Check out the Large Bore HD dual DPF Back exhaust system by aFe. 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