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In Stock Iag Big Bore 76mm Throttle Body W/ Electronics & Adapter Package (for Use With Process West Intake Manifolds) - Black Adapter Plate - 2004-2021 Subaru Sti / 2006-2007 Wrx / 2004-2008 Forester Xt Kit [gImnQZBs]

$54.99 $175.99 -69%

IAG Big Bore 76mm Throttle Body Upgrade The IAG Big Bore 76mm Throttle Body is a game-changer for Subaru enthusiasts seeking to unlock the true potential of their vehicles. Designed to enhance airflow and improve engine performance, this throttle bod

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IAG Big Bore 76mm Throttle Body Upgrade

The IAG Big Bore 76mm Throttle Body is a game-changer for Subaru enthusiasts seeking to unlock the true potential of their vehicles. Designed to enhance airflow and improve engine performance, this throttle body boasts a larger bore size, providing nearly 25% more flow than stock. With this upgrade, you can expect a significant boost in power, especially if you're aiming for more than 600 horsepower. The IAG Big Bore Throttle Body is the perfect solution to avoid the drawbacks of inferior aftermarket alternatives, which often result in issues like sticking, poor idle quality, and difficult installation.

Seamless Installation and High-Quality Construction

The installation process of the IAG Big Bore Throttle Body is designed to be straightforward and hassle-free. Simply replace your OEM Subaru throttle body with the included adapter and the new 76mm throttle body onto the intake manifold. No complex disassembly or dealing with springs is required, and the OEM connector can be easily plugged in. The CNC machined adapter plates are crafted from durable 6061 aluminum and feature an O-ring sealing surface, ensuring a secure fit. This kit comes complete with all required hardware, including low-profile socket head cap screws and O-rings, for a seamless installation. The adapter plate is finished in anodized black, adding a sleek and professional appearance to your vehicle.

Optimized Performance for Daily Drives and Racing Enthusiasts

The IAG Big Bore Throttle Body is an ideal upgrade for both daily drivers and racing enthusiasts. With its increased airflow and improved performance, you can enjoy a smoother driving experience and achieve better acceleration. This upgrade is compatible with a wide range of Subaru models, including the 2004-2021 Subaru STI, 2006-2007 WRX, and 2004-2008 Forester XT. By choosing the IAG Big Bore Throttle Body, you're investing in a high-quality, Made in the USA product that will enhance your vehicle's performance and give you peace of mind on the road. Don't settle for compromise; upgrade your Subaru with the IAG Big Bore Throttle Body and experience the difference for yourself.

What Our Customers Say

December 30, 2025

Absolutely no complaints!

A perfect product, and a very, very perfect purchase.

- Rhun X..

December 30, 2025

Absolutely no complaints!

It's a very good, exceptionally and well-made product.

- Rhodri J..

December 30, 2025

Absolutely no complaints!

A great product. And a very, very, very great value.

- Huw H..

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