AMS Widemouth Downpipe for Evo X with Turbo Outlet Pipe

AMS Widemouth Downpipe for Evo X with Turbo Outlet Pipe

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The AMS EVO X "Widemouth" downpipe is the most power producing and well designed downpipe on the market. After months of development and testing we have created the best flowing downpipe possible. Using a CAD designed cast o2 housing we were able to obtain every angle we wanted for perfect fitment and flow.

Our downpipe is completely made of 304 cast stainless steel including both flanges and includes a bung for a wideband gauge with a plug included.



  • Best flowing downpipe available, completely replaces o2 housing and downpipe
  • 100% cast Stainless Steel construction. No mild steel flanges
  • Stainless steel high quality flex section
  • 15+ Wheel Horsepower gains over stock
  • Bolts up to the factory catalytic converter
  • Unrivaled fit and finish



  • 304 cast Stainless Steel
  • 3” diameter at its smallest point
  • 304 stainless steel flex section



  • Mitsubishi Evolution 10 GSR and MR Models
  • Fits all Left hand drive models. NOT COMPATIBLE WITH RIGHT HAND DRIVE MODELS