SKU: TS-SU-870P-BK
Torque Solution 06-21 Subaru STI EJ Big Bore Manifold 76mm Throttle Body Adapter – Black
This precision adapter plate connects big bore intake manifolds to 76mm throttle bodies on 2006-2021 Subaru STI EJ257 engines. It delivers smooth airflow transition for quicker throttle response and power gains. Black anodized finish resists wear in demanding conditions.
Key Features
- CNC Machined 6061-T6 Aluminum: Lightweight construction handles high boost levels without flexing
- Black Anodized Finish: Protects against corrosion and heat while matching engine bay aesthetics
- Included Stainless Steel Hardware: Ensures secure mounting with corrosion-resistant bolts
- Direct Bolt-On Design: Fits perfectly between manifold and throttle body with no modifications
- Improved Airflow Path: Matches big bore manifold outlet to 76mm throttle body inlet for reduced restrictions
Product Notes
- Requires big bore intake manifold designed for 76mm throttle body compatibility
- Inspect gaskets during installation for optimal sealing
- Packages in foam inserts to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Clean mating surfaces before assembly to avoid leaks
- Torque bolts to 10-12 ft-lbs using included stainless hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2021 | Subaru | Impreza | WRX STI |
| 2006-2021 | Subaru | Impreza | WRX STI Limited |
| 2015-2021 | Subaru | WRX STI | Base |
| 2008-2014 | Subaru | Impreza | WRX STI Hatchback |
| 2015-2021 | Subaru | WRX STI | Limited |
Why Choose Torque Solution?
- Specializes in Subaru drivetrain and engine components
- Manufactures in USA with tight tolerances for reliability
- Backed by limited lifetime warranty on aluminum parts
Frequently Asked Questions
- Q: Will this fit 2004-2005 STI models?
A: Designed specifically for 2006-2021 STI EJ257 engines with big bore manifolds - Q: What material and finish does it use?
A: Billet 6061-T6 aluminum with durable black anodized coating for heat and corrosion resistance - Q: Does installation require special tools or tuning?
A: Bolts on with basic hand tools. ECU tune recommended after throttle body upgrade for full gains
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: 6 x 6 x 2 inch box with protective foam
- Weight: 0.45 lbs
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