aFe 46-39104 POWER 76 mm Throttle Body for 2022-25 Subaru BRZ / GR86 2.4L

Vehicle Fitment

• 2022-2025 Subaru BRZ (H4 2.4L)
• 2022-2025 Toyota GR86 (H4 2.4L)

Features

• 76 mm bore diameter for increased airflow over stock 70 mm throttle body
• 6061-T6 billet aluminum adapter for strength and lightness
• Serrated/swirl internal design to induce intake turbulence, improving combustion
• No ECU tuning required - plug-and-play electronics retain OEM behavior
• Direct-bolt on using factory throttle body mounting points for simple installation
• Comes with all necessary hardware including gasket and bolts
• Lightweight design to reduce response lag and support higher RPM performance
• Improves throttle response and power output when combined with other intake or performance upgrades

Specifications

• Material: 6061-T6 billet aluminum
• Bore Size: 76 mm
• Finish: Natural / machined aluminum
• Emissions Status: Not CARB legal in California
• Installation: Bolt-on with OEM throttle body mounting points
• Gasket / Hardware: Included

Included Components

• 1x 76 mm throttle body
• 1x Billet aluminum adapter
• 1x Gasket
• Bolt set for installation
• Instruction sheet

Product Description

The aFe 46-39104 POWER 76 mm throttle body is a high-flow upgrade designed specifically for the 2.4L engine in the 2022-2025 Subaru BRZ and Toyota GR86. With a larger bore than the stock 70 mm unit, it allows for greater airflow into the intake system, improving throttle response and supporting higher performance.

Machined from strong but light 6061-T6 billet aluminum, the included adapter ensures a precise fit. The internal serrated/swirl design creates beneficial turbulence in the intake charge, which supports more efficient fuel atomization and combustion - especially valuable when combined with other intake or engine upgrades.

Installation is straightforward and maintains factory electronics - no tuning is required. All hardware and a gasket are included, and the kit bolts directly to the factory throttle body mounting points. Please note: this throttle body is **not CARB-legal**, so check emissions regulations in your area before installing.