09+ Ralliart / Evo X, High-Flow Cat (Metal Substrate)

Item # 20032



Replaces the OEM catalytic converter with a 3" metal substrate core high-flow performance cat. The metal core is our highest flowing cat available.

Features:

  • 304 stainless steel piping
  • 3/8" thick machined flanges
  • TIG welded to perfection
  • Metal substrate high-flow catalytic converter (efficient to 750 hp)
  • 100 % Bolt-on to stock

Option:

  • Extra Bung with Plug for future Wideband Sensor, +$30 USD
  • Rear O2 sensor extender to prevent CEL, +$30 USD


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