Race Technologies Brembo GTS BBK – Rear for 2008-2021 Subaru STI

Brembo GT|S Rear Big Brake Kit – Subaru WRX STI (2015–2021) GT-S-2P-8042A

Complete your braking setup with the Brembo GT|S Rear Big Brake Kit (GT-S-2P-8042A), engineered specifically for the 2015–2021 Subaru WRX STI (VA chassis). Designed to pair with high-performance front brake systems, this rear kit delivers improved braking balance, increased thermal capacity, and consistent pedal feel for aggressive street driving, canyon runs, and track use.

Featuring Brembo’s hard-anodized GT|S calipers and large two-piece floating rotors, this system is built for drivers who want maximum confidence and stability under hard braking conditions.

Key Features

• Direct-fit rear axle Brembo GT|S big brake kit for 2015–2021 Subaru WRX STI
• Fixed 4-piston Brembo monobloc calipers
• Exclusive black hard-anodized GT|S caliper finish
• Large 345mm x 28mm two-piece floating rotors for improved heat dissipation
• High-carbon rotor construction for durability and thermal stability
• Floating D-bobbin hardware reduces heat transfer and rotor distortion
• Brembo High Performance FM1000 brake pads included
• Stainless steel braided brake lines included for improved pedal response
• Complete bolt-on system with all required mounting hardware

Performance Benefits

• Improved front-to-rear braking balance
• Stronger and more consistent braking under repeated hard stops
• Reduced brake fade during spirited and track driving
• Enhanced pedal feel and modulation
• Increased thermal capacity for high-performance use
• Greater stability under heavy braking loads

Kit Includes

• Brembo GT|S 4-piston rear monobloc calipers
• 345x28mm two-piece floating rotors
• Brembo FM1000 performance brake pads
• Stainless steel braided brake lines
• Caliper brackets and mounting hardware
• Complete pre-assembled rear axle kit

Fitment

• Subaru WRX STI 2015–2021 (VA chassis)
• Rear axle application only
• Designed for street, canyon, track, and motorsport use
• Requires adequate wheel clearance due to larger rotor and caliper dimensions