WCFab 4" Turbo Down Pipe for 2004.5-2007 5.9L Cummins with High Mount style turbo on 2nd Gen style exhaust manifold allows for a quick and simple down pipe install. No cutting of your exhaust system required! This down pipe connects to the v-band flange on the exhaust pipe just as your factory turbo/cast elbow did. The upper flange measures 4.6" diameter to mate with S400 exhaust housing. The lower flange connects to the factory exhaust system v-band flange using the OEM v-band clamp. This down pipe is high-temperature ceramic coated and includes heat wrap with clamps and a 4" V-band Clamp for turbo connection.. The lower v-band flange connects to the factory exhaust system v-band flange using the OEM v-band clamp (New replacement OEM V-Band Clamp sold separately).. The S400 version (WCF100262) is meant for use with the standard S400 flat exhaust housing flange, which measures 4.6" diameter. (4" v-band clamp included). This down pipe comes black high-temperature ceramic coated and includes heat wrap with clamps and V-band Clamp for turbo housing connection.. Also compatible with 2003-2004 model year trucks which have updated their exhaust system front pipe to the 2004.5-2007 style part. 4" Turbo Down Pipe for 2004.5-2007 5.9L Cummins with High Mount style turbo on 2nd Gen style exhaust manifold. Wehrli 04.5-07 Dodge Ram Cummins 4in Down Pipe - w/High Mount S400 Turbo & 2nd Gen Manifold. Wehrli Custom Fab Down Pipe, 4in., 04.5-07 Cummins w High Mnt S400 Turbo & 2nd Gen Manifold. Down Pipe, 4in., 04.5-07 Cummins w High Mnt S400 Turbo & 2nd Gen Manifold. Dwn Pipe 04.5-07 Cummins Hi Mnt 2G S400. Turbocharger Down Pipe. DwnPipe HiMt 2G S400. Made in USA

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