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IAG Big Bore 76mm Throttle Body Adapter for OEM STI, Cosworth & AMS Intake Manifolds

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IAG Performance

IAG Big Bore 76mm Throttle Body Adapter for OEM STI, Cosworth & AMS Intake Manifolds

$109.99
$93.49

SKU:
IAG-AFD-2020-OPT
Availability:
Usually Ships in 24 to 72 Hours
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IAG Big Bore 76mm Throttle Body Silver Adapter for OEM STI, Cosworth or AMS Intake Manifolds - Parts Layout

IAG Big Bore 76mm Throttle Body Adapter for OEM STI, Cosworth & AMS Intake Manifolds

$109.99
$93.49

IAG Big Bore 76mm Throttle Body Adapter for OEM STI, Cosworth & AMS Intake Manifolds

$109.99
$93.49
  • CONSENT

In the hunt for more 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 that is sold separately.

The Big Bore throttle body offers a 76mm bore which is nearly 25% larger over stock. Best of all, the installation is much easier than other options previously available. Simply drill out the rivets holding the motor to your OEM Subaru throttle body, remove the motor assembly, and install it to the throttle body using the supplied replacement rivets. 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, Cosworth or AMS Intake Manifold. The plates are machined from 6061 aluminum, and feature an O-ring sealing surface. Each adapter plate includes all the necessary hardware to complete the installation. The adapter plates are available in anodized black or natural silver finish. 

Fits *2004-21 Subaru STI, 2006-07 WRX, and the 2004-08 Forester XT. The 2004-2005 STI requires a riveted throttle body. Confirm that a riveted throttle body style is being used and consult with your tuner before ordering.


Fitment Notes:

  • Intended for vehicles making 600+ HP with front mount intercoolers
  • ECU calibration is required - Consult with your Tuner before ordering.
  • Big Bore Throttle Body is not included with the kit.
  • Installation requires a Subaru throttle body with rivets attaching the motor. Not compatible with clip style Subaru throttle body.
  • Custom piping / fabrication may be required for installation
  • Not compatible with OEM style MAP sensors


Adapter Kit Includes:

  • (x1) IAG 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
  • (x7) Rivets




PDF icon PDF Instructions


Model Year & Fitment


  • 2006 Subaru WRX
  • 2007 Subaru WRX
  • 2004 Subaru STI Requires Riveted Throttle Body
  • 2005 Subaru STI Requires Riveted Throttle Body
  • 2006 Subaru STI
  • 2007 Subaru STI
  • 2007 Subaru STI
  • 2008 Subaru STI
  • 2009 Subaru STI
  • 2010 Subaru STI
  • 2011 Subaru STI
  • 2012 Subaru STI
  • 2013 Subaru STI
  • 2014 Subaru STI
  • 2015 Subaru STI
  • 2016 Subaru STI
  • 2017 Subaru STI
  • 2018 Subaru STI
  • 2019 Subaru STI
  • 2020 Subaru STI
  • 2021 Subaru STI
  • 2004 Subaru Forester XT
  • 2005 Subaru Forester XT
  • 2006 Subaru Forester XT
  • 2007 Subaru Forester XT
  • 2008 Subaru Forester XT

SHIPPING

FREE SHIPPING on orders of $250 or more* Simply look for the logo to enjoy free shipping on selected items throughout the store. Oversized packages and freight shipments do not qualify for free shipping. If the items in your order which qualify for 'Free Shipping' total $250 or more, your order ships FREE! Free shipping is only available to the continental United States also referred to as the “lower 48 states”.

Shipping Policy: All products sold on the shopping cart are shipped by UPS or USPS. All packages include shipping insurance in case they are lost or damaged. USPS requires signature confirmation on all insured orders over $200.00. USPS shipping times are estimated and not guaranteed. UPS tracking numbers are automatically generated when a package ships and the number is sent to the email address you provided. If a package contents is damaged during shipping please notify the shipping driver and file a claim with the shipper. You have 14 days to inspect your shipment and contents. After that period of time, IAG is no longer responsible for missing items. You have 30 days to report any damaged or incorrect items, after that period of time IAG is no longer responsible for returns or exchanges. You can contact us by Email or call 410-840-3555 for assistance. *International orders are subject to customs charges, duties or fees. Please check with your local customs office before ordering. IAG is not responsible for international customs charges, duties or brokerage fees.

Drop Shipping: Some items require drop shipping to complete an order. These products are shipped from manufacturer or distributor warehouses across the country. In some cases, this may speed up delivery time. In other cases, it could add 1-3 days to the delivery time. If you have a question regarding an order please contact our sales desk at 410-840-3555.

Order Processing: Orders placed after 3PM EST may not be processed the same day. Order processing may take 24-48 hours. USPS orders placed after 10am EST will ship the following business day if the items are in stock

RETURNS

How do I return an item?

You have 14 days to inspect your shipment and contents. After that period, IAG is no longer responsible for missing items. You have 30 days to report any damaged or incorrect items, after that period IAG is no longer responsible for returns or exchanges. All stocking products are subject to a 30 Day return policy. The item(s), when approved for return, are subject to a 20 percent restocking fee. Canceled orders may be subject to a 20 percent cancellation fee. All product returns require a return authorization number before being shipped back to IAG or the manufacturer. An “RMA” number is obtained by calling the IAG Support Desk at 410-840-3555 or emailing support@iagperformance.com. Some products may require shipping back to the manufacturer for inspection before a return or exchange may be processed. Some products may not be able to be returned. Products that have been modified or installed are not eligible for return. There are no returns or cancellations for Special Order/Made to Order items and Electrical Components (including the COBB Accessport). Items returned after the 30 Day return period without an RMA will be refused. Canceled service appointments with deposits are non-refundable.

Refunds take 30 days or less. Payments made by Credit Card or PayPal are returned back to the original account used during the transaction. There are no cash returns; we will issue a business check for the return of funds. Refunds are decided by the management and not by sales staff. Canceled service appointments with deposits are non-refundable.

IAG Performance Product Warranty (Excluding - Short Blocks / Long Blocks)

This limited warranty gives you specific legal rights and you may also have other rights, which vary from state to state. We limit the duration and remedies of all implied warranties, including, without limitation, the warranties of merchantability and fitness for a particular purpose to the duration of this express limited warranty. Some states do not allow limitations on how long an implied warranty lasts. The remedies described below are your sole and exclusive remedies and our entire liability for any breach of this limited warranty. Our liability shall under no circumstances exceed the actual amount paid by you for the product, nor shall we under any circumstances be liable for any consequential, incidental, special or punitive damages or losses, whether direct or indirect.

This warranty covers defects in materials and workmanship of your IAG Performance Product for 12 Months or 12,000 Miles from the date of receipt.

IAG will repair any IAG Manufactured Product that proves to be defective in materials or workmanship within the warranty period. If a repair is not possible, we will either replace your Product with a new Product of similar composition and price, or refund the full purchase price of your Product, at our sole discretion. There is no charge for inspection but the buyer is responsible for shipping charges.

IAG Performance Engine Warranty

For more information concerning our engine warranty please visit IAG Performance Engine Warranty Page

Other Manufacturer Products:

Products not manufactured by IAG are subject to the individual manufacturer warranties which may apply. If you have questions concerning the fitment, appearance, or performance of your item, please contact a member of our customer support team for assistance.

Our customer service team is happy to assist you with the products purchased from IAG Performance. Our support associates can help you with installation support, troubleshooting advice, and help to identify possible manufacturer defects.

For products that are found to have defects, our support department can provide the contact information for the manufacturer to arrange a warranty inspection and, if applicable, any necessary repairs or replacement shipments.

You may also contact the manufacturer directly for information regarding product eligibility and specific terms and conditions of warranty coverage.

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