Cobb Subaru Throttle Body Coupler-COBB-COBB712455
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Cobb Subaru Throttle Body Coupler

COBB
COBB712455
799928867474
Throttle Body Spacers
20+ Units In Stock - Ships Next Business Day
$ 55.00
$ 55.00

SKU: B712455   |   UPC: 799928867474

Cobb Subaru Throttle Body Coupler 712-455 for 2002-2015 Impreza WRX/STI & 2004-2008 Forester XT

The Cobb Throttle Body Coupler (PN 712-455) is a precision-engineered silicone replacement for Subaru turbo models with EJ25 and FA20 engines. It fits 2002-2007 Impreza WRX, 2004-2014 Impreza WRX STI, 2015 WRX STI variants, and 2004-2008 Forester XT. This coupler reduces airflow restrictions over stock, delivering sharper throttle response and supporting higher boost levels in performance setups.

Key Features

  • 4-Ply Reinforced Silicone: Handles 350°F+ temperatures and 30+ inHg vacuum without cracking or collapsing.
  • Direct Bolt-On Fit: Molded to OEM specs for 60mm throttle bodies, no trimming or adjustments needed.
  • High-Flow Design: Larger ID than factory coupler increases velocity for better turbo spool and mid-range torque.
  • Black Silicone Finish: Matches engine bay aesthetics while resisting oil and fuel degradation.
  • COBB SF Intake Compatible: Essential upgrade for SF systems, unlocks full intake potential on dyno-tested setups.

Product Notes

  • Pair with Cobb SF Airbox for complete intake tract overhaul.
  • Clean throttle body bore before installation to prevent leaks.

Installation Notes

  • Professional installation recommended.
  • Remove stock intake tract and unclamp OEM coupler 15-30 minute job with basic tools.
  • Uses stock clamps torque to 3-5 Nm, check for smooth clamp seating.

This Part Fits

Year Make Model Submodel
2002-2007 Subaru Impreza WRX
2006-2007 Subaru Impreza WRX Limited
2004-2014 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited
2015 Subaru WRX STI Base
2015 Subaru WRX STI Launch Edition
2015 Subaru WRX STI Limited
2006-2007 Subaru Impreza WRX TR
2004-2005 Subaru Forester XT
2005 Subaru Forester XT Premium
2006-2008 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 XT

Why Choose Cobb?

  • Decades of Subaru motorsports experience with rally-proven components.
  • U.S.-made with dyno-validated designs for real-world power gains.
  • Lifetime warranty on defects for peace of mind.

Frequently Asked Questions

  • Q: Will this fit my 2015 WRX STI Limited?
    A: Yes, direct fit for all 2015 STI trims with FA20DIT engine and 60mm throttle body.
  • Q: What material is the coupler made from?
    A: 4-ply silicone rated for high boost and heat, far more durable than stock rubber.
  • Q: Is installation DIY-friendly and what's the warranty?
    A: Bolt-on with hand tools in under 30 minutes backed by Cobb lifetime warranty against manufacturing defects.

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Compact box 7 x 5.5 x 1.75 inches
  • Weight: 0.2 lbs

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