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Brembo Brembo 04-17 WRX STi Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Drilled-Silver
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Brembo 04-17 WRX STi Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Drilled-Silver

Brembo
BRB1B1.8048A3
Brake Kits - Performance Slot
Out of stock
$ 3,995.00

SKU: 1B1.8048A3

Brembo 04-17 WRX STi Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Drilled-Silver

Equip your 2004-2017 Subaru WRX STI with the Brembo GT Front Big Brake Kit (MPN 1B1.8048A3) for race-level braking. This complete front kit includes 4-piston cast calipers paired with 355x32mm two-piece drilled rotors to handle high-heat track sessions and aggressive street driving. Count on shorter stopping distances, better modulation, and sustained performance under load.

Key Features

  • 4-Piston Cast Calipers: 42mm and 44mm pistons clamp with precision for immediate response and even pad pressure across the rotor surface
  • 355x32mm 2-Piece Rotors: Aluminum center hat reduces rotational mass by 3.5kg per corner while maintaining rigidity for consistent braking
  • Drilled Rotor Design: Expels hot gases and water for reliable grip in wet conditions and extended pad life
  • Silver Powder Coat Finish: Resists road salt and brake dust corrosion for long-lasting appearance and function
  • Complete Kit Contents: Includes high-friction brake pads, stainless steel brake lines, and all hardware for bolt-on installation

Product Notes

  • Requires minimum 18-inch wheels with 5x100mm bolt pattern for clearance
  • Rotors feature anti-corrosion coating. bed-in pads before track use
  • Oversized item. check local freight restrictions before ordering

Installation Notes

  • Professional installation recommended.
  • Bolt-on fit using factory mounts. no wheel spacers or adapter brackets needed
  • Compatible with OEM master cylinder and ABS system

This Part Fits

Year Make Model Submodel
2004-2007 Subaru Impreza WRX STI
2008-2014 Subaru Impreza WRX STI
2015-2017 Subaru WRX STI
2005-2009 Subaru Impreza WRX STI R205 (JDM)

Why Choose Brembo?

  • Develops braking systems for Formula 1 race cars and production supercars
  • Machined components ensure zero-runout tolerances and perfect balance
  • Tested to withstand 1,200-degree Celsius temperatures without fade

Frequently Asked Questions

  • Q: Will this kit fit 2015-2017 WRX STI models with OEM wheels?
    A: No, 18-inch or larger wheels required due to 355mm rotor diameter. clears most aftermarket STI wheels
  • Q: What material are the calipers made from?
    A: High-strength cast aluminum with nickel-plated hardware for weight savings and heat management
  • Q: What is the warranty coverage?
    A: 24-month unlimited mileage on rotors and pads. limited lifetime on calipers against manufacturing defects

Shipping & Handling

  • Method: Ground shipping
  • Availability: In stock - ships same or next business day
  • Packaging: Secure double-boxed package 24 x 20 x 12 inches
  • Weight: 62 lbs

Request For Information

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