About this product
The Torque Solution Big Bore 76mm Throttle Body Adapter allows Subaru EJ engine owners with a standard bore intake manifold to upgrade to a Toyota 76mm big bore throttle body, increasing airflow by 25% over OEM. CNC-machined from 6061 billet aluminum and anodized for corrosion resistance, this adapter includes O-ring gaskets for a leak-free seal and all necessary hardware for installation.
- CNC 6061 Billet Aluminum Construction
- Anodized for Corrosion Resistance
- O-Ring Gaskets for Leak-Free Seal
- Limited Lifetime Warranty
Includes:
- (1) Billet Spacer
- (2) Large O-Rings
- (4) Small O-Rings (for M6x20 bolts on spacer)
- (4) M6-1.0 x 20 Low Profile Zinc Socket Cap Bolts (bolts spacer to IM)
- (4) M6-1.0 x 50 Stainless Steel Socket Cap Bolts (bolts TB to spacer)
- (4) M6 Zinc Flat Washers (for TB to spacer)
- (7) Rivets (to secure OEM TB motor to big bore TB)
- (1) M4 Nyloc Nut (used as rivet spacer tool for motor cover near harness plug)
Confirmed Fitment:
Intake Manifolds:
- Subaru STI OEM Intake Manifold
- Torque Solution Intake Manifold
- Cosworth Intake Manifold
- AMS Intake Manifold
Big Bore TB Part Numbers:
- Toyota 22030-0S010 / 220300S010
- Toyota 22030-0F010 / 220300F010
(May work with other Toyota TBs, but above are confirmed)
Vehicle Fitment:
- Subaru STI 2004–2005 (requires 2006+ riveted throttle body)
- Subaru STI 2006–2021
- Subaru WRX 2006–2007
- Subaru WRX 2008–2014 (requires confirmed-fit intake manifold)
- Subaru Forester XT 2004–2008
Important Installation Notes:
- Intended for high-horsepower builds; consult your tuner before installation.
- Requires swapping the motor from a Subaru DBW throttle body (2006–21 STI, 2006–07 WRX, 2004–08 Forester XT).
- FMIC piping required; piping modifications may be necessary.
- A new transition coupler and clamp are needed to fit the 3.5" big bore TB to your piping.
- An aftermarket MAP sensor is required and must be relocated to the intake manifold or vacuum block.
- Tuning adjustments are necessary to accommodate the big bore TB and aftermarket MAP sensor.
Description supplied by Subimods.com through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.
