Extreme Turbo Systems

ETS 08-16 Mitsubishi Evolution X Test Pipe

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  • Regular price $759.00

SKU: 100-10-EXH-006

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The ETS Evolution X High Flow Cat Test Pipe is a direct replacement of the factory catalytic pipe.  This has been dyno tested for a 10-15whp increase over the factory catalytic pipe.  Works with factory downpipe and factory exhaust system as well as any other aftermarket exhaust system that mounts in the factory location.


  • Direct Replacement J-Pipe O2 Bung (Prevents Check Engine Lights)
  • Wideband Bung w/ Plug included
  • Stainless Steel
  • Factory bend to clear the driveshaft unlike the competitors who use a straight pipe that will rub against the driveshaft.
  • 200 Cell High Flow Cat - Metal Core


Catalytic Converter Dimensions
Inlet Diameter - 3"
Outlet Diameter - 3"
Outer Shell Size - 4.00" O.D.
Overall Length - 10" 
Metal Core Catalytic Converters are superior to traditional ceramic core converters in many ways: 
- 100% Stainless Steel construction
- Metal Monolith is much more resistant to the effects of vibration than traditional ceramic bricks and capable of withstanding higher operating temperatures.
- 200 cell per Sq. Inch catalyst flows at 578 CFM, up to 40% better than a typical ceramic core converter.
Note: Dyno Graph is of the standard test pipe for reference.


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  • Would this pass in California emissions?

    These are not CARB approved.

  • Hi there! Was wondering what the difference was exactly between your HFC and your GESI HFC. Thanks!

    Gesi claims to get the car through emissions testing while having no effect on flow at all. It is just a higher quality catalytic converter

  • Does this Test Pipe work on a Mitsubishi Ralliart?

    Yes, this works on the Evo X and the Ralliart.