SKU: B715100-BK | UPC: 799928865302
Cobb Subaru SF Intake System – Stealth Black for 2008-2021 STI, 2008-2014 WRX, 2008-2012 Legacy GT
The Cobb SF Intake System in Stealth Black replaces your Subaru’s factory airbox with a high-flow setup featuring 3.5-inch aluminum tubing and an oversized Synapse Dry filter. Designed for 2008-2021 Subaru STI, 2008-2014 WRX, and 2008-2012 Legacy 2.5GT models, it delivers dyno-proven gains of up to 18whp and 15ft-lbs torque while enhancing throttle response and engine sound. MPN 715100-BK ensures a direct bolt-on fit with no modifications needed.
Key Features
- Oversized Synapse Dry Filter: Captures 99% of contaminants at 700cfm airflow for unrestricted intake while requiring only vacuum cleaning for maintenance.
- 3.5-Inch Aluminum Tubing: Mandrel-bent for smooth airflow, reducing restrictions and turbulence compared to stock 2.75-inch piping.
- Integrated Heat Shield: Blocks engine bay heat to maintain cooler intake temperatures and consistent performance.
- Stealth Black Powdercoat Finish: Triple-stage anodized and powdercoated for corrosion resistance and a sleek underhood look.
- High-Quality Silicone Couplers & Clamps: Reinforced 4-ply silicone with T-bolt stainless steel clamps for secure, leak-free connections.
Product Notes
- EPA compliant for use in all 50 states no California CARB exemption required.
- Pair with Cobb Accessport tuner for full gains works with stock tune.
Installation Notes
- Professional installation recommended.
- Bolt-on design completes in 1-2 hours using basic hand tools no cutting or trimming required.
- Includes all hardware, couplers, clamps, and filter compatible with stock MAF sensor.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2021 | Subaru | Impreza | WRX STI |
| 2008-2014 | Subaru | Impreza | WRX |
| 2008-2012 | Subaru | Legacy | 2.5GT |
Why Choose Cobb?
- 20+ years engineering Subaru-specific parts with real-world dyno testing.
- U.S.-made components backed by rigorous quality control.
- Proven designs used in rally and track applications worldwide.
Frequently Asked Questions
- Q: Will this fit my 2015-2021 STI?
A: Yes, direct fit for all 2008-2021 Impreza WRX STI models including sedan and hatchback variants with EJ25 turbo engines. - Q: What is the finish material on the tubing?
A: 6061-T6 aluminum tubing with durable Stealth Black powdercoat finish resistant to heat and road salt. - Q: What warranty applies and is tuning required?
A: Lifetime warranty on powdercoat 1-year on filter. No tune needed but Cobb Accessport unlocks maximum gains.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure foam-packed box measuring 24″ x 12″ x 12″
- Weight: 5.8 lbs product / 8 lbs shipped
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