• aFe 13-20 Subaru BRZ/Scion FR-S 70mm Throttle Body
  • aFe 13-20 Subaru BRZ/Scion FR-S 70mm Throttle Body
  • aFe 13-20 Subaru BRZ/Scion FR-S 70mm Throttle Body
  • aFe 13-20 Subaru BRZ/Scion FR-S 70mm Throttle Body
  • aFe 13-20 Subaru BRZ/Scion FR-S 70mm Throttle Body
  • aFe 13-20 Subaru BRZ/Scion FR-S 70mm Throttle Body
  • aFe 13-20 Subaru BRZ/Scion FR-S 70mm Throttle Body
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aFe 70mm Throttle Body Kit | Subaru BRZ/Scion FR-S (13-20) (46-39106)

aFe 70mm Throttle Body Kit | Subaru BRZ/Scion FR-S (13-20) (46-39106)

46-39106

In stock

$359.00 USD
$359.00 USD $359.00 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The aFe 13-20 Subaru BRZ/Scion FR-S 70mm Throttle Body is a high-performance upgrade designed to enhance engine airflow beyond the stock 65mm throttle body. Manufactured by aFe POWER, this throttle body and adapter kit increases horsepower and throttle response by allowing more air into the engine. The kit features adapters made from 6061-T6 billet aluminum, known for its lightweight strength and durability, and precision machining ensures an exact fit and superior finish. Its unique serrated and swirl design promotes intake turbulence within the combustion chamber, optimizing air-fuel mixture for improved combustion efficiency and overall engine performance.

This throttle body is engineered specifically for 2013 to 2020 Subaru BRZ and Scion FR-S models, providing a direct replacement for the factory throttle body. It is ideal for enthusiasts seeking enhanced street or track performance, especially when combined with other engine upgrades. Installation is straightforward with included adapters, making it a bolt-on solution without the need for extensive modifications. This kit is best suited for drivers aiming to improve throttle response and power output while maintaining reliability and drivability.

Overview

aFe Throttle Body

Fitment: 2013-2020 Subaru BRZ / Scion FR-S

Part #: 46-39106

Overview

The aFe 70mm Throttle Body and adapter kit is designed to enhance the airflow capabilities of your Subaru BRZ or Scion FR-S by upgrading from the stock 65mm throttle body. This performance drivetrain component is ideal for enthusiasts looking to improve throttle response and support horsepower gains, especially when combined with additional modifications. Crafted to deliver a precise fit and reliable operation, this throttle body upgrade helps optimize engine breathing for a more responsive driving experience.

Key Features

This throttle body kit offers a range of benefits tailored to performance improvement and durability:

  • 70mm throttle body size increases airflow compared to the stock 65mm unit
  • Adapters made from 6061-T6 billet aluminum for lightweight strength and durability
  • Precision machining ensures perfect fitment and finish for seamless installation
  • Serrated and swirl design promotes intake turbulence to enhance combustion efficiency
  • Supports improved throttle response and engine performance as part of a broader upgrade path

Construction & Design

The throttle body and adapter kit feature high-quality 6061-T6 billet aluminum construction, known for its excellent strength-to-weight ratio and resistance to corrosion. The precision machining process guarantees tight tolerances and a smooth finish, ensuring reliable sealing and optimal airflow. The unique serrated and swirl pattern inside the throttle body is engineered to create controlled intake turbulence, which helps improve fuel-air mixing and combustion efficiency.

Installation & Fitment

This throttle body kit is designed specifically for the 2013-2020 Subaru BRZ and Scion FR-S models. Installation requires removal of the stock throttle body and replacement with the aFe unit and included adapters. Fitment should be verified against your vehicle’s specifications and the part number to ensure compatibility. The kit is intended for enthusiasts comfortable with basic engine modifications and bolt-on upgrades.

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