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SKU: 1B1.8048A1
Brembo 04-17 WRX STi Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Drilled-Black
Equip your 2004-2017 Subaru WRX STI with the Brembo GT front big brake kit 1B1.8048A1 featuring 4-piston cast calipers and 355x32mm 2-piece cross-drilled rotors. This complete kit includes pads braided lines and hardware for direct bolt-on installation. Gain consistent pedal feel and fade-free performance during spirited drives or track days.
Key Features
- 4-Piston Cast Calipers: 42mm inner 38mm outer pistons clamp rotors with precision for shorter stopping distances
- 355x32mm 2-Piece Rotors: Aluminum center hat reduces rotational mass by 3kg per corner while curved vanes manage heat buildup
- Cross-Drilled Rotor Faces: Expel gases and moisture to maintain friction under wet or repeated hard braking
- Black Hard Anodized Finish: Resists corrosion withstands high temperatures and matches STI aesthetics
- Complete Kit Contents: Includes Brembo Xtra friction pads stainless steel braided lines Goodridge fittings and all mounting hardware
Product Notes
- Requires minimum 19-inch wheels for clearance
- Street and track pad compound balances daily driving with aggressive use
- Oversized parcel ships via ground freight dimensions 48x20x16 inches
Installation Notes
- Professional installation recommended.
- Bolt-on fit uses factory parking brake cables and proportions valve
- Compatible with OEM ABS sensors and master cylinder no modifications needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2007 | Subaru | Impreza WRX STI | Sedan Hatchback |
| 2008-2014 | Subaru | Impreza WRX STI | Base Limited R205 Hatchback |
| 2015-2017 | Subaru | WRX STI | Base Limited EyeSight |
Why Choose Brembo?
- Supplies braking systems to Formula 1 World Rally Championship teams
- CNC-machined components ensure exact tolerances for Subaru platforms
- Over 50 years developing high-performance brakes for road track applications
Frequently Asked Questions
-
Q: Will this kit fit 2004-2017 WRX STI models without changes?
A: Yes direct bolt-on for all listed sedan hatchback variants uses stock brake lines position and sensors -
Q: What rotor material and drilling process is used?
A: High-carbon cast iron rotors with stress-relieved cross-drilling prevents hot spotting cracking -
Q: What warranty covers this kit and installation?
A: 24-month 24,000-mile warranty on defects proper installation required excludes track abuse
Shipping & Handling
- Method: UPS Ground or FedEx Freight
- Availability: In stock - ships same or next business day
- Packaging: Heavy-duty double-boxed 48x20x16 inches
- Weight: 58 lbs
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