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In the hunt for more than 600 horsepower Subaru owners can be limited by their OEM throttle body. The OEM units just aren't big enough to meet the demands of larger upgraded turbochargers. For years those who were seeking to upgrade this component were forced to use inferior aftermarket alternatives. These aftermarket throttle bodies were prone to issues like sticking, poor idle quality, and difficult installation. IAG is pleased to announce that these owners are no longer forced to compromise drivability for horsepower. With the introduction of our new adapter plates owners are able to upgrade their OEM throttle bodies with a larger OEM quality unit. The Big Bore throttle body offers a 76mm bore which nearly 25% larger over stock. Best of all, the installation is much easier than other options previously available. Simply remove the OEM Subaru throttle body, install the supplied adapter and new 76mm Throttle body to the intake manifold. No complicated disassembly, no springs, and the OEM connector is plug and play. The IAG adapter plate is designed specifically to work with the OEM STI or Cosworth Intake Manifold. The plates are machined from 6061 aluminum, and feature an O-ring sealing surface. Each package includes a brand new Big Bore 76mm Throttle Body, IAG adapter plate, and all the necessary hardware to complete the installation. The adapter plates are available in anodized black.
IAG Performance Big Bore 76mm Throttle Body & Adapter for OEM STI/Cosworth/AMS Manifold Black IAG-AFD-2027BK
Specifications:
| Description_SHO | Throttlebody Adapter |
| Description_INV | IAG Throttle Body & Adapter Plate |
| Description_ASC | Adapter Kit Includes: (x1) 76mm Throttle Body with Electronics (x1) IAG Black Aluminum Adapter Plate, (x4) M6x50mm Low Profile Socket Head Cap Screws, (x4) M6x20mm Low Profile Socket Head Cap Screws, (x4) Small O-rings, (x2) Large Adapter Plate O-rings, |
| Description_ASC | Fits 2004-21 Subaru STI, 2006-07 WRX, and the 2004-08 Forester XT. Consult with your tuner before ordering. |
| Description_ASC | Fitment Notes: Intended for vehicles making 600+ HP with front mount intercoolers |
| Description_ASC | ECU calibration is required - Consult with your Tuner before ordering. |
| Description_ASC | Big Bore Throttle Body with electronics is Silver in color |
| Description_ASC | Custom piping / fabrication may be required for installation |
| Description_ASC | Not compatible with OEM style MAP sensors |
| Description_KSW | IAG-AFD-2027,billet, 2004,2005,2006,2007,2008,2009,2010 |
| Description_KSW | 2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021 |
| Description_KSW | impreza,forester,xt,wrx,sti, |
| Description_LAB | Big Bore 76mm Throttle Body & Adapter for OEM STI/Cosworth Intake |
| Description_LAB | Black |
| Description_DES | Big Bore 76mm Throttle Body & Adapter for OEM STI/Cosworth/AMS Manifold Black |
| Description_APS | Subaru: Forester 04 - 08 |
| Description_APS | Subaru: Forester 04 - 08 |
| Description_APS | Subaru: Forester 04 - 08 |
| Description_APS | Subaru: Forester 04 - 08 |
| Description_EXT | IAG Big Bore 76mm Throttle Body with Electronics and Adapter Package for OEM Subaru STI/Cosworth Manifold/AMS Manifolds Black |
| Description_MKT | In the hunt for more than 600 horsepower Subaru owners can be limited by their OEM throttle body. The OEM units just aren't big enough to meet the demands of larger upgraded turbochargers. For years those who were seeking to upgrade this component were forced to use inferior aftermarket alternatives. These aftermarket throttle bodies were prone to issues like sticking, poor idle quality, and difficult installation. IAG is pleased to announce that these owners are no longer forced to compromise drivability for horsepower. With the introduction of our new adapter plates owners are able to upgrade their OEM throttle bodies with a larger OEM quality unit. The Big Bore throttle body offers a 76mm bore which nearly 25% larger over stock. Best of all, the installation is much easier than other options previously available. Simply remove the OEM Subaru throttle body, install the supplied adapter and new 76mm Throttle body to the intake manifold. No complicated disassembly, no springs, and the OEM connector is plug and play. The IAG adapter plate is designed specifically to work with the OEM STI or Cosworth Intake Manifold. The plates are machined from 6061 aluminum, and feature an O-ring sealing surface. Each package includes a brand new Big Bore 76mm Throttle Body, IAG adapter plate, and all the necessary hardware to complete the installation. The adapter plates are available in anodized black. |
| Description_FAB | Allows mounting of larger 76mm throttle body for increased airflow |
| Description_TLE | IAG Performance 76mm Big Bore Throttle Body & Adapter Package for OEM Subaru STI, Cosworth or AMS Intake Manifold, Includes Electronics - Fits 04-21 STI, 06-07 WRX, 04-08 FXT - (Black Finish) |
| Description_DEF | Fuel Injection Throttle Body |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2008 | Subaru | Forester | 2.5 XT | |
| 2008 | Subaru | Forester | Sports 2.5 XT | |
| 2004 | Subaru | Forester | XT | |
| 2005,2008 | Subaru | Forester | XT | |
| 2006 | Subaru | Forester | XT Limited | |
| 2007 | Subaru | Forester | XT Limited | |
| 2008 | Subaru | Forester | XT Limited | |
| 2005 | Subaru | Forester | XT Premium | |
| 2006 | Subaru | Impreza | WRX | |
| 2007 | Subaru | Impreza | WRX | |
| 2006 | Subaru | Impreza | WRX Limited | |
| 2007 | Subaru | Impreza | WRX Limited | |
| 2004 | Subaru | Impreza | WRX STI | |
| 2005 | Subaru | Impreza | WRX STI | |
| 2006 | Subaru | Impreza | WRX STI | |
| 2007 | Subaru | Impreza | WRX STI | |
| 2008 | Subaru | Impreza | WRX STI | |
| 2009 | Subaru | Impreza | WRX STI | |
| 2010 | Subaru | Impreza | WRX STI | |
| 2011 | Subaru | Impreza | WRX STI | |
| 2012 | Subaru | Impreza | WRX STI | |
| 2013 | Subaru | Impreza | WRX STI | |
| 2014 | Subaru | Impreza | WRX STI | |
| 2010 | Subaru | Impreza | WRX STI Special Edition | |
| 2006 | Subaru | Impreza | WRX TR | |
| 2007 | Subaru | Impreza | WRX TR | |
| 2012 | Subaru | WRX | STI | |
| 2013 | Subaru | WRX | STI | |
| 2014 | Subaru | WRX | STI | |
| 2015 | Subaru | WRX | STI | |
| 2016 | Subaru | WRX | STI | |
| 2013 | Subaru | WRX STI | Base | |
| 2014 | Subaru | WRX STI | Base | |
| 2015 | Subaru | WRX STI | Base | |
| 2016 | Subaru | WRX STI | Base | |
| 2017 | Subaru | WRX STI | Base | |
| 2018 | Subaru | WRX STI | Base | |
| 2019 | Subaru | WRX STI | Base | |
| 2020 | Subaru | WRX STI | Base | |
| 2021 | Subaru | WRX STI | Base | |
| 2020 | Subaru | WRX STI | Kanrai Edition | |
| 2015 | Subaru | WRX STI | Launch Edition | |
| 2015 | Subaru | WRX STI | Limited | |
| 2016 | Subaru | WRX STI | Limited | |
| 2017 | Subaru | WRX STI | Limited | |
| 2018 | Subaru | WRX STI | Limited | |
| 2019 | Subaru | WRX STI | Limited | |
| 2020 | Subaru | WRX STI | Limited | |
| 2021 | Subaru | WRX STI | Limited | |
| 2019 | Subaru | WRX STI | S209 | |
| 2016 | Subaru | WRX STI | Series.HyperBlue | |
| 2017 | Subaru | WRX STI | Sport | |
| 2018 | Subaru | WRX STI | Sport | |
| 2019 | Subaru | WRX STI | Sport | |
| 2020 | Subaru | WRX STI | Sport | |
| 2020 | Subaru | WRX STI | Sport-tech | |
| 2018 | Subaru | WRX STI | STI | |
| 2019 | Subaru | WRX STI | STI | |
| 2020 | Subaru | WRX STI | STI | |
| 2014 | Subaru | WRX STI | Tsurugi Edition | |
| 2018 | Subaru | WRX STI | Type RA |