Torque Solution TS-SU-870O-S Big Bore 76mm Throttle Body Adapter Silver

The Torque Solution Big Bore 76mm Throttle Body Adapter enables Subaru EJ engine owners to upgrade from the stock throttle body to a Toyota 76mm big bore throttle body, providing a 25% increase in airflow over OEM. This adapter is designed for use with standard bore intake manifolds and is ideal for high-horsepower builds targeting 600+ HP.

Construction and Features:

• CNC-machined from 6061 billet aluminum for strength and durability
• Silver anodized finish for corrosion resistance
• O-ring gaskets included for a leak-free seal
• Complete hardware kit with all necessary bolts and fasteners
• Compatible with Toyota 22030-0S010 and 22030-0F010 big bore throttle bodies

Confirmed Intake Manifold Fitments:

• Subaru STI OEM standard bore manifolds
• Torque Solution standard bore manifolds
• Cosworth standard bore manifolds
• AMS standard bore manifolds

Installation Requirements:

• Requires OEM throttle body motor from 2006-21 STI, 2006-07 WRX, or 2004-08 Forester XT
• Front-mount intercooler (FMIC) piping required; modifications may be necessary
• Aftermarket MAP sensor must be relocated to intake manifold or vacuum block
• ECU tuning required to accommodate larger throttle body and MAP sensor
• New 3.5-inch transition coupler and clamp needed for FMIC piping connection

This throttle body adapter is intended for serious performance builds and should be installed in consultation with a professional tuner to ensure proper calibration and optimal performance.