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Best Seller Torque Solution 06-21 Subaru Sti / 08-14 Subaru Wrx Big Bore 76mm Throttle Body Adapter - Black | Ts-su-870o-bk Holiday Edition [WdjQpFPO]

$26.99 $86.99 -69%

Subaru EJ Big Bore Throttle Body AdapterIntroducing the Subaru EJ Big Bore Throttle Body Adapter, the ultimate upgrade for your high-performance Subaru vehicle. This adapter is designed to enhance the power and airflow of your Subaru STI or WRX by sw

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Subaru EJ Big Bore Throttle Body Adapter

Introducing the Subaru EJ Big Bore Throttle Body Adapter, the ultimate upgrade for your high-performance Subaru vehicle. This adapter is designed to enhance the power and airflow of your Subaru STI or WRX by swapping the stock throttle body for a Toyota 76mm big bore unit. This 25% increase in size over OEM ensures a significant boost in air flow, leading to increased horsepower and throttle response.
  • Increased Air Flow: Experience a substantial boost in airflow for better throttle response and increased power output.
  • Quality Materials: Crafted from CNC billet aluminum, this adapter offers exceptional durability and corrosion resistance, ensuring long-lasting performance.

Technical Specifications and Installation Notes

This adapter is meticulously designed to fit Subaru EJ engines using a standard bore intake manifold. It is fully compatible with various intake manifolds, including Subaru STI OEM, Torque Solution, Cosworth, and AMS manifolds. The adapter comes with all necessary hardware and accessories, including o-ring gaskets for a leak-free seal and a billet spacer for secure installation.
  • Easy Installation: With a simple swap of the motor from a Subaru DBW throttle body, you can enjoy the benefits of the big bore adapter without complex modifications.
  • Performance Tuning: Compatible with aftermarket MAP sensors and requires tuning by your tuner for optimal performance with the new throttle body.

Perfect for High HP Builds and Aftermarket Enthusiasts

Whether you are looking to increase your Subaru's horsepower for racing or just for a more aggressive daily driver experience, this adapter is the perfect choice. Its high-performance design and quality materials make it an ideal upgrade for enthusiasts and tuners alike.
  • Boost Your Subaru's Performance: Get ready to unleash the true potential of your Subaru with the Big Bore Throttle Body Adapter.
  • Enhance Your Driving Experience: Experience improved throttle response, power, and acceleration with this premium upgrade.

What Our Customers Say

January 1, 2026

Absolutely no complaints!

Performs as advertised. Five stars.

- Julianna N..

January 1, 2026

Absolutely no complaints!

So good, so simple, so effective.

- Colette G..

January 1, 2026

Absolutely no complaints!

Top quality materials used.

- Hannah C..

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