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Invidia Downpipe Catted 2 O2 Bungs w/ Rear High Flow Cat - 08-14 WRX / 08-19 STI

This is a great way to improve the power and performance as well as improving the throttle response while reducing the turbo lag. 

Here are the key features:

  • 304 Stainless steel
  • Extra oxygen sensor bung for those installing a wideband O2 sensor
  • Divorced wastegate flange
  • 3" piping diameter
  • New hardware and rear gasket included making this downpipe ready for installation
  • Rear Section Catalytic Converter for extra clearance at the turbo


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