Race Technologies Brembo GTS BBK - Front for 2004-2007 Subaru STI

Brembo GT-S Front Big Brake Kit – Subaru WRX STI (2004–2007) GT-S-1M-8034A

Upgrade your braking system with the Brembo GT-S Front Big Brake Kit (GT-S-1M-8034A), engineered specifically for the 2004–2007 Subaru WRX STI (GD chassis). This is a premium GT-S system designed for maximum braking performance, improved thermal capacity, and precise pedal control under aggressive street and track driving conditions.

Built using Brembo’s motorsport-derived 6-piston monobloc caliper architecture and large 2-piece floating rotors, this kit delivers a significant upgrade over OEM STI Brembo brakes, offering improved rigidity, fade resistance, and overall braking consistency in high-performance environments.

Key Features

• Direct-fit front axle Brembo GT-S kit for 2004–2007 Subaru WRX STI (GD chassis)
• 6-piston monobloc Brembo calipers for maximum stiffness and braking force
• 355mm x 32mm 2-piece floating vented rotors for superior heat dissipation
• Motorsport-derived GT-S caliper design for improved pedal response and modulation
• Floating rotor system for increased thermal stability under repeated braking
• High-performance brake pad compound included for street and track use
• Stainless steel braided brake lines included for improved pedal feel
• Complete bolt-on system with all required mounting hardware

Performance Benefits

• Increased stopping power over OEM STI Brembo brake setup
• Strong resistance to brake fade during aggressive canyon or track driving
• Improved pedal firmness with more precise modulation and feedback
• Higher thermal capacity for sustained high-performance use
• More consistent braking performance under repeated heavy braking
• Enhanced driver confidence in high-speed braking situations

Kit Includes

• Brembo GT-S 6-piston monobloc front calipers
• 355x32mm 2-piece floating vented rotors
• High-performance Brembo brake pads
• Stainless steel braided brake lines
• Caliper mounting brackets and hardware kit
• Complete front axle brake system

Fitment

• Subaru WRX STI 2004–2007 (GD chassis, 5x114.3)
• Front axle application only
• Requires 17”–18” wheel clearance depending on wheel design
• May require dust shield trimming or removal for proper fitment
• Designed for enthusiast street use, canyon driving, and track applications