EBC GD7777 3GD Dimpled Slotted Rear Rotors for 2015-2021 Subaru WRX 2.0L Turbo

Vehicle Fitment

• 2015-2021 Subaru WRX Base (2.0L FA20DIT Turbo H4, AWD)
• 2015-2021 Subaru WRX Premium (2.0L FA20DIT Turbo H4, AWD)
• 2015-2021 Subaru WRX Limited (2.0L FA20DIT Turbo H4, AWD)
• 2018-2021 Subaru WRX Sport (2.0L FA20DIT Turbo H4, AWD)

Fitment Notes

• Fits VA-chassis WRX (2015-2021) only - does not fit 2022+ WRX (VB platform uses a different rear brake specification)
• Does not fit Subaru WRX STI - the STI uses a larger rear rotor with a different caliper setup
• Thermic Black coating does not require removal before install - clears naturally from the pad contact zone within the first 10-20 stops
• Do not fit upgrade pads to the rear unless the same upgrade is also fitted to the front

Features

• Wide-aperture slots draw cool air under the pad contact zone, reducing heat buildup and preventing brake fade during spirited or track driving
• Blind-drilled dimples provide superior pad degassing without the stress crack risk of through-drilled holes
• Black GEOMET anti-corrosion finish protects all non-contact areas from road salt, brine, and moisture
• Unidirectional rotor design optimized for left and right side placement for maximum rear braking effectiveness
• Wider vented center aperture promotes consistent airflow between rotor faces for reliable thermal management
• Precision CNC machined to within 0.05mm tolerances; 100% runout and dimensionally inspected before release
• Cast from G3000 high-carbon grey iron - the same spec used in OEM production
• Passed European R90 brake safety standards; proven to run significantly cooler than non-slotted rotors

Specifications

• Position: Rear (Left and Right)
• FMSI Number: D1114
• Rotor Diameter: 11.2 in (285.5mm)
• Rotor Thickness: 10mm
• Hat Height: 63.6mm
• Center Bore: 58mm
• Bolt Holes: 5
• Construction: 1-Piece, Vented
• Style: Dimpled and Slotted (3GD Series)
• Finish: Black GEOMET Anti-Corrosion Coating
• Material: G3000 High-Carbon Grey Cast Iron
• Break-In Period: 500 miles recommended with moderate braking

Included Components

• 2x EBC GD7777 Rear Brake Rotors (Left and Right)

Product Description

The EBC GD7777 3GD Series Rear Brake Rotors are a direct-fit performance upgrade for the VA-chassis Subaru WRX across all trim levels from 2015 through 2021. Matching OEM rear dimensions exactly, these rotors add EBC's proven dimpled-and-slotted surface treatment to actively draw cool air through the rear pad contact zone and expel heat, gases, and brake dust - exactly what the WRX's AWD drivetrain and spirited driving character demands. Whether you're running canyon roads, autocross events, or daily commuting in wet conditions, the GD7777 provides a meaningful rear brake upgrade without any bracket or caliper changes.

Each rotor is individually balanced and runout-inspected before leaving the factory for smooth, vibration-free performance from day one. The Black GEOMET corrosion-resistant coating protects non-swept areas and clears naturally from the pad contact zone during break-in - no prep required. EBC recommends pairing these rotors with Greenstuff or Redstuff rear brake pads and a 500-mile bedding period with progressive braking to fully seat the pad-to-rotor contact surfaces.