AFE: Large Bore-HD 4" 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P flat 7L Gas 2019-2020 GMC Sierra

7L Gas 2019-2020 GMC Sierra L4 2

leave your engine stock

400 cell catalytic converter for maximum flow

Long System 1-3/4" x 3" or 1-7/8" x 3"

upper bushing

AFE: Large Bore-HD 4" 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P flat 7L Gas 2019-2020 GMC SierraInterested in a new exhaust system for your L5P 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 the driver side tailpipe. This provides for a quick, hassle free installation with no modification