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.
Cercoated Upper Downpipe
Ceracoated Lower Downpipe w/ 4” Clamp
Ceracoated 4” ID/V-Band Converter