Torque Solution Silver Big Bore 76mm Throttle Body Adapter Subaru STI | WRX | Forester XT 2004-2021

$88.88 USD

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Torque Solutions – Throttle Bodies. Fits Subaru WRX VA, Subaru WRX STI GD, Subaru WRX STI GR/GV and 1 more.

  • Made to order — subject to stock confirmation.
  • Your card is authorized now, charged only once we confirm stock (usually within 24 hours).
  • Ships from our Wisconsin warehouse. Delivery 3–7 business days.
  • Ships direct from our supplier network — delivery depends on supplier availability.
  • Not sure it fits? Ask us →
Torque Solution Big Bore 76mm Throttle Body Adapter for Subaru EJ engines using a standard bore intake manifold. Our adapter allows you to swap to a Toyota 76mm big bore throttle body which provides a 25% increase in size over OEM. Made from CNC billet aluminum that we anodize for corrosion resistance, provide o-ring gaskets for a leak free seal, and all the necessary hardware to complete the install.

Features:

  • CNC'd 6061 Billet Aluminum
  • Anodized For Added Corrosion Resistance
  • O-ring Gaskets For A Leak Free Seal
  • Limited Lifetime Warranty

Includes:

  • Billet Spacer (1)
  • Large O-ring (2)
  • Small O-ring (4) (holds m6x20 screws in place on spacer)
  • M6-1.0 x 20 Low Profile Zinc Socket Cap Bolt (4) (bolts spacer to IM)
  • M6-1.0 x 50 Stainless Steel Socket Cap Bolt (4) (bolts the TB to the spacer)
  • M6 Zinc Flat Washer (4) (For TB to spacer)
  • Rivet (7) (to rivet the OEM TB motor to the big bore TB)
  • M4 Nylock Nut (used as rivet spacer tool for center of motor cover near harness plug to TB)

Confirmed To Fit The Following Intake Manifolds:

  • Subaru STI OEM Intake Manifold
  • Torque Solution Intake Manifold
  • Cosworth Intake Manifold
  • AMS Intake Manifold

Confirmed to work the Big Bore TB Part #'s:

  • Toyota 22030-0S010 / 220300S010
  • Toyota 22030-0F010 / 220300F010
  • May work with other Toyota TB's, but the 2 above are confirmed.

Fitments:

  • Subaru STI 2004-2005 (Requires 2006+ riveted throttle body)
  • Subaru STI 2006-2021
  • Subaru WRX 2006-2007
  • Subaru WRX 2008-2014 (must swap to a confirmed fit intake manifold)
  • Subaru Forester XT 2004-2008

Important Install Notes:

  • Intended for high HP builds.
  • First consult with your tuner to ensure they will be able to make this TB setup work for you.
  • You must swap over the motor from a Subaru DBW throttle body found on a 2006-21 STI, 2006-07 WRX, and 2004-08 Forester XT.
  • Must have FMIC piping. (piping modification may be necessary)
  • You will need a new transition coupler and clamp to fit the big bore TB (3.5in) to your piping.
  • You will need an aftermarket MAP sensor and relocate it to the intake manifold or a vacuum block.
  • You will need to have your tuner adjust your tune for the big bore TB and aftermarket MAP sensor.
Proposition 65

âš WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Fitment: Subaru WRX VA (2015-2021); Subaru WRX STI GD (2004-2007); Subaru WRX STI GR/GV (2008-2014); Subaru WRX STI VA (2015-2021)

Please confirm year, trim and engine before ordering.

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