SKU: B745110-HW2 | UPC: 731946517214
COBB 15-21 Subaru WRX Big SF Intake System Airbox Bracket Kit (for 745110)
The COBB 15-21 Subaru WRX Big SF Intake System Airbox Bracket Kit (for 745110) delivers precision brackets to mount the oversized airbox in your Big SF Power Intake System. Designed exclusively for 2015-2021 Subaru WRX models, this kit locks the airbox in place for stable operation and unrestricted airflow during high-RPM pulls. Pair it with COBB part 745110 for complete intake upgrades that support boosted power levels.
Key Features
- Precision CNC-Machined Aluminum: Lightweight 6061-T6 construction resists flex and weighs just 0.35 lbs for minimal added mass.
- Direct Bolt-On Fit: Aligns perfectly with factory mounting holes on VA-chassis WRX, no modifications needed.
- Black Anodized Finish: Provides corrosion resistance and heat dissipation in engine bay conditions.
- Airbox Stability: Secures the Big SF airbox to prevent vibrations, misalignment, or debris intrusion.
- Intake System Essential: Required hardware for COBB 745110 Big SF Intake installation and warranty compliance.
Product Notes
- Compatible only with COBB Big SF Intake System part number 745110.
- Inspect brackets for damage before installation replace if bent.
Installation Notes
- Professional installation recommended.
- Installs in 15-20 minutes using basic hand tools and included hardware.
- Bolts to OEM locations torques to 5-7 Nm for secure fit.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX | Base |
| 2015-2021 | Subaru | WRX | Premium |
| 2015-2021 | Subaru | WRX | Limited |
| 2015-2021 | Subaru | WRX | GT |
Why Choose COBB?
- Decades of Subaru engineering expertise from rally and track development.
- Components tested on dyno and street for real-world durability.
- Factory-direct fitment ensures seamless integration with stock or modified setups.
Frequently Asked Questions
- Q: Will this fit 2015-2021 Subaru WRX STI models?
A: No, designed specifically for WRX (VA chassis) with Big SF Intake 745110; STI uses separate part 745120. - Q: What material are the brackets made from?
A: High-strength 6061-T6 aluminum, CNC machined with black anodizing for engine bay protection. - Q: Does COBB offer a warranty on this kit?
A: Yes, limited lifetime warranty against manufacturing defects when installed per instructions with genuine COBB intake.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact box measuring 5.5 x 3.5 x 1.5 inches
- Weight: 0.35 lbs
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