DP Customs Duramax S400 Downpipe RETRO V8 and Trucks equipped with aftermarket

and Trucks equipped with aftermarket steering gear boxes such as PSC

These kits utilize our Billet -10 AN Adapter Fittings which give you leak free and easy connections at the firewall and thermostat housing

DPC PTO Covers

-10 AN Male Outlet

Optional Stainless Or Black Nylon Finish

DP Customs Duramax S400 Downpipe RETRO V8 and Trucks equipped with aftermarketDP Customs Duramax S400 Downpipe The DP Customs 3. 5 downpipe will fit 2001 2007 Duramax trucks with a S400 kit using a 6. 5 7 pedestal. Dented near the uppipe, this downpipe can be swung inches for multiple clearance routes. Enjoy a flared 4 v band connection at the bottom for ease of R&R as well as a v band to 4 ID converter to easily remove the assembly from your exhaust system. What's Included Ceracoated Upper Downpipe Ceracoated Lower Downpipe w