Grimmspeed LIMITED Downpipe Catted 2008-2014 WRX / 2008-2021 STI
Grimmspeed LIMITED Downpipe Catted 2008-2014 WRX / 2008-2021 STI
Grimmspeed LIMITED Downpipe Catted 2008-2014 WRX / 2008-2021 STI
Grimmspeed LIMITED Downpipe Catted 2008-2014 WRX / 2008-2021 STI
Grimmspeed LIMITED Downpipe Catted 2008-2014 WRX / 2008-2021 STI

Grimmspeed LIMITED Downpipe Catted 2008-2014 WRX / 2008-2021 STI

GRM007097

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$759.00

Special order item. available for purchase, wait times vary.

This is the GrimmSpeed Limited Catted Downpipe. This downpipe is the result of countless hours invested in research and development to provide the enthusiast consumer with a quality product guaranteed to deliver performance. This is a direct replacement of the OEM downpipe that is highly restrictive and leaves much room on the table for improvement. The GrimmSpeed unit combines smooth bends and a larger piping diameter to remove as much turbulence from the exit path of the turbocharger which will add more horsepower, and more torque while reducing the turbo lag. 

DETAILS:

  • 304 stainless steel construction
  • 1/2" thick 3D contour flanges
  • 3" piping diameter
  • 3D CAD designed to determine the contours and clearance from the firewall 
  • Divorced wastegate design for optimal flow
  • Designed with a secondary O2 bung for those adding a wideband O2 sensor
  • FARO arm design
  • Built-in high-flow 300-cell metallic substrate catalytic converter
  • Expertly TIG-welded
  • Includes new exhaust gaskets and hardware included for the installation 
  • Made in the USA
  • LIMITED FEATURES:

  • Flanges designed with recesses for each tube
  • 3D contour to smoothly transition the irregular shape of your internal wastegate outlet into the divorced tube for tighter boost control
  • NOTE:

  • Tune required for optimal performance
  • You will need to slightly adjust the divider tab to fit the V40/V46 turbocharger 
  • Please contact our customer service for further assistance
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