The stock Y pipe has flow impediments. It has many bends and pinches down to some very small cross-sections. The stock Y-Pipe also poses a clearance issue some have run into – literally.
The piping is 2.25” high quality, heavy gauge 304 stainless that is extremely durable utilizing only TIG welds and 316 welding rod. This Y pipe will outlast the vehicle.
The URD off road Y Pipe was designed for off road use and competition events. The rear catalytic converters are eliminated. The URD off road Y Pipe is not for on road use and is absolutely not emissions legal anywhere on public roads.
The URD off road Y Pipe does include ports for the rear O2 sensors. It will not cause a check engine light from eliminating the rear catalytic converters. We also include and extra O2 bung for easy installation of an aftermarket wideband display sensor.
Note- Not compatible with sub-frame type lifts that lower the front differential. The change in the angle of the front propeller shaft causes and interference problem.