09+ Ralliart 3" Long Downpipe (O2 Housing Downpipe)

A one-piece downpipe that replaces both the OEM turbo outlet (aka O2 Housing - which only has a 2.25" outlet), and the OEM Downpipe.  Divorced wastegate design for smoother flow. Features: 10 hp gain before tune Full 304 stainless steel construction  304 stainless steel 3/8" thick CNC machined flanges High quality stainless steel braided flex section with interlock lining for more flexing movement One-piece design to replaces both OEM O2 Housing (which only has a 2.25" outlet), and OEM downpipe for better flow & performance Come will all OEM O2 bung for seamless installation Eliminates restrictive "donut" gasket Fits with OEM manifold heatshield Weights only 9 lbs 100% Bolt-on fitment (even for Right Hand Drive) Comes with the lower installation gasket and hardware Option: Extra Bung and Plug welded for aftermarket Wideband Sensor