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The Secret Of Iag Big Bore 76mm Throttle Body Adapter For Oem Sti / Cosworth Intake Manifolds + Gift Included [8WSBaob6]

$21.99 $70.99 -69%

IAG Big Bore Throttle Body Adapter for Subaru Are you a Subaru enthusiast looking to unlock more horsepower? The IAG Big Bore 76mm Throttle Body Adapter is the perfect solution for upgrading your OEM throttle body to meet the demands of larger upgrad

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The Secret Of Iag Big Bore 76mm Throttle Body Adapter For Oem Sti / Cosworth Intake Manifolds + Gift Included [8WSBaob6]

IAG Big Bore Throttle Body Adapter for Subaru

Are you a Subaru enthusiast looking to unlock more horsepower? The IAG Big Bore 76mm Throttle Body Adapter is the perfect solution for upgrading your OEM throttle body to meet the demands of larger upgraded turbochargers. This adapter offers a 76mm bore, nearly 25% larger than stock, ensuring optimal airflow and performance. With its easy installation process and compatibility with OEM STI or Cosworth Intake Manifolds, this adapter plate is a game-changer for Subaru owners seeking to enhance their vehicle's power and efficiency.

Key Features:
  • 76mm bore size for increased airflow and horsepower
  • Easy installation process with included hardware
  • Comes in anodized black or natural silver finish

Technical Details and Specifications

The IAG Big Bore Throttle Body Adapter is designed to work seamlessly with the OEM STI or Cosworth Intake Manifolds, providing a perfect fit for your Subaru. Made from high-quality 6061 aluminum, this adapter plate features an O-ring sealing surface for a secure and leak-free connection. The kit includes all necessary hardware for installation, including low-profile socket head cap screws, O-rings, and rivets. It is important to note that this adapter is intended for vehicles making 600+ HP with front mount intercoolers and requires ECU calibration, so be sure to consult with your tuner before ordering.

Technical Specifications:
  • Material: 6061 aluminum
  • Sealing: O-ring sealing surface
  • Fitment: 2004-20 Subaru STI, 2006-07 WRX, and 2004-08 Forester XT

Practical Uses and Target Audience

Whether you're a track day enthusiast or a daily driver looking to boost your Subaru's performance, the IAG Big Bore Throttle Body Adapter is an essential upgrade. This adapter not only increases horsepower but also improves throttle response and overall drivability. It is ideal for those who are looking to take their Subaru to the next level without compromising on quality or fitment. With its ease of installation and compatibility with various Subaru models, this adapter plate is a must-have for any serious Subaru owner.

Target Audience:
  • Subaru enthusiasts seeking to upgrade their throttle body
  • Performance car enthusiasts looking to increase horsepower
  • Track day drivers or daily drivers looking for improved throttle response

What Our Customers Say

January 29, 2026

Absolutely no complaints!

This is a really good buy.

- Beth B..

January 29, 2026

Absolutely no complaints!

A very elegant and quality item.

- Walter P..

January 29, 2026

Absolutely no complaints!

A great item for my needs.

- Ida G..

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