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  • MAP Stainless Steel External Dump O2 Housing | Mitsubishi Evo 8/9 (EVO-O2H-EXT) - Modern Automotive Performance
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MAP Stainless Steel External Dump O2 Housing | 2003-2006 Mitsubishi Evo 8/9 (EVO-O2H-EXT)

Regular price $349.99 USD
Regular price $384.99 USD Sale price $349.99 USD
Advanced Ceramic Coating

Stainless Steel External Dump O2 Housing

If you're having issues with boost control and/or boost creep in your Evo 8/9 recirculated o2 housing then this product is the answer. It has also been shown to yield significant power gains when combined with larger stock frame turbochargers!

This unit is 100% stainless steel to avoid rust and corrosion and includes a money back guarantee in regards to lower intercooler pipe fitment! It will bolt up to any stock Mitsubishi Lancer Evo 8/9 turbo location. It's made of 2.5" diameter piping and includes a stainless steel gasket from the the turbo to the housing and one spring bolt to ease the installation process. All other OEM hardware can be re-used for installation including the OEM donut gasket.

CNC 3D Contoured Flange

This product featuers a 3d contoured flange to virtually eliminate boost creep regardless of boost level or turbocharger sizing.

Advanced Ceramic Coating

Our advanced ceramic coating is applied on the outer surface to minimize heat transfer and maintain exhaust velocity for maximum performance. The black color yields a stealthy look under the hood as well!


  • 2003-2006 Mitsubishi Evo 8/9

What's In The Box?

  • 1 External Dump O2 Housing


  • MAP Limited Lifetime Warranty