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2002-2007 GD Subaru WRX/STi Downpipe

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Nameless Performance
Calculated at checkout

 Product Description

Finally, we have found time to release our downpipe for the 2002-2007 WRX and 2004-2007 STi. This downpipe uses the same concepts behind our GR downpipe and makes the same kind of power. ALL DOWNPIPES FEATURE A 200 Cell High Flow Catalytic Converter.  

Please note:

  • This bundle REQUIRES a tune for proper vehicle operation. If you don't already have a COBB Accessport, select the Accessport option above for a killer deal.
  • This product DOES NOT fit right-hand drive vehicles.
  • All downpipes include a high-flow catalytic converter.

Accessport Highlights:

  • Simple Installation: Everything is included for the simple installation! Intuitive on-screen instructions identify your exact vehicle and available maps.
  • Simple Uninstall: Revert your ECU to exactly as it was before with the easy to use Uninstall option from the main menu.
  • Trouble Codes: Read engine trouble codes to diagnose issues. Clear them when resolved. Prevent expensive trips to the dealership.
  • Change Maps: Store up to 100 maps from our OTS map database or from your favorite COBB tuner and quickly switch between them for any need.
  • Gauges: Use your Accessport as a gauge to monitor boost or any other live information, directly from the ECU.
  • Data Logging: Record multiple data channels simultaneously for in-depth evaluation of engine performance. Stores up to 10 hours.
  • Performance Measuring: Welcome to your own performance evaluation suite! Measure 0-60 mph time, 60 foot and ¼ mile ET’s. and Trap Speed.
  • Shift Light: Set custom RPM warning lights for perfect shifts every time.
  • AP Manager: Use your PC or Mac to manage maps, download recorded datalogs, or quickly update your Accessport. 
  • Realtime Tuning: Changes can be made to the map in realtime, while the engine is running. Greatly speeds up the tuning process and allows quick changes to powerful features like Lauch Control, Flat Foot Shift, and map switching.
  • Launch Control: Set RPM threshold for performance launching the car from a stop. Builds boost and generates instantaneous horsepower off the line.
  • Flat Foot Shifting: Keep the throttle on the floor during shifts and maintain boost between gears with this customizable RPM setting.

Application Guide


  • 2002-2005 WRX


  • 2004-2007 STI
  • 2006-2007 WRX

Typical Performance Gains*

Stage 1: +12% HP and +19% TQ

Hardware Requirements: Stage1 - Otherwise stock vehicle with the following modifications*:

  • Intake Requirements: Stock airbox with stock air filter
  • Exhaust requirements: Stock exhaust or upgraded cat-back exhaust

Stage 2:+15% HP and +24% TQ
Hardware Requirements: Stage2 - Otherwise stock vehicle with the following modifications*:

  • Intake Requirements: Stock airbox with stock air filter
  • Exhaust requirements: Upgraded turbo-back exhaust**

*   Performance gains shown are typical, but actual performance gains will vary based on many factors, such as (but not limited to): vehicle model, age of vehicle and other modifications. The addition of any other hardware may make the vehicle perform poorly.

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