FullBoostRacing O2 Eliminator Downpipe : Mitsubishi Evolution X 2008-2010 * Best flowing downpipe on the market * Completely replaces o2 housing and downpipe * 100% cast Stainless Steel construction * Bolts up to the factory catalytic converter * OEM Fitment * 304 cast Stainless Steel * 3in diameter at its smallest point * 304 stainless steel flex section * Split Wastegate and Exhaust Design * Includes 1 studs and 1 nuts for easy install ( Reuse factory studs ) * Includes Gasket * Factory o2 sensor location * Optional wideband bung available * Open air dump or Recirculated available The FullBoostRacing o2 Eliminator Downpipe will help spool the turbo faster increasing boost and horsepower. Expect an average of 25-30whp. Dyno Graph coming soon! Part Number: FBRMEXO2DP