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

Item # 20063

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.


  • 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
  • Comes with the lower installation gasket and hardware


  • Extra Bung and Plug welded for aftermarket Wideband Sensor +$30.00 USD

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