Subaru enthusiasts looking for over 600 horsepower may face limitations with their original throttle body, as it may not be able to accommodate larger turbochargers. To resolve this issue, inferior aftermarket options have been utilized, leading to issues like sticking, subpar idle quality, and complicated installation processes. Luckily, IAG has created adapter packages that enable owners to upgrade their original throttle bodies to a superior 76mm bore unit, providing a 25% increase in flow compared to stock. No need to sacrifice drivability for more power - IAG's Big Bore throttle body offers the best of both worlds.
Installation Made Simpler
The installation process is now simpler compared to other options offered. Just replace the OEM Subaru throttle body with the included adapter and new 76mm throttle body onto the intake manifold. There is no need for complex disassembly or dealing with springs, and the OEM connector can be easily plugged in. (Relocating the MAP sensor may be necessary)
CNC Machined Adapter Plates
Crafted from durable 6061 aluminum, these plates sport an O-ring sealing surface. With this kit, you'll receive a Big Bore 76mm Throttle Body and IAG adapter plate, along with all required hardware for a seamless installation. Adapter plate comes in sleek anodized black finish.
USA Made
IAG proudly manufactures their products in their facility in Westminster, MD. IAG Performance was founded in 2007 as an innovator in Subaru performance products. They offer a wide variety of problem-solving aftermarket products. Their friendly, USA based, support staff is also there to help with any installation questions you might have.
What's In The Box:
- (x1) Big Bore 76mm Throttle Body (Silver Finish Only)
- (x1) IAG Aluminum Adapter Plate (Black Finish)
- (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-Ring
Fitment
- 2004-2021 Subaru STI
- 2006-2007 WRX
- 2004-2008 Forester XT