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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