Sold out
Brembo Brembo 04-17 WRX STi Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Drilled-Black
Click to zoom in

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

Brembo
BRB1B1.8048A1
Brake Kits - Performance Slot
Out of stock
$ 3,995.00

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

Request For Information

Have questions about Brembo 04-17 WRX STi Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Drilled-Black? Fill out the form below and we'll get back to you by the next business day.
Brake Kits

Brake Kits

Brake kits and complete braking packages for cars, trucks, SUVs, Jeeps, and EVs are stocked at Black Ops Auto Works. Shop OE replacement brake kits, big brake kits, drilled and slotted brake kits, blank rotor brake kits, coated brake kits, front and rear brake kits, truck and tow brake kits, sport brake kits, and complete caliper brake kits for Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and EcoBoost platforms. Every brake kit is filterable by year, make, model, trim, engine, and axle position so the correct rotor diameter, pad compound, and caliper package ships the first time. Black Ops Auto Works carries 5,311 brake kit SKUs across rotor style, pad compound, caliper type, and vehicle use. What This Category Covers A brake kit bundles matched rotors and pads (and often calipers) into a single package so the components are engineered to work together instead of guessing at compatibility by buying rotors and pads separately. Brake kits remove the fitment guesswork of mixing r...

View Brake Kits Products
Brake Kits - Performance Slot

Brake Kits - Performance Slot

Performance slotted brake kits for tow rigs, sport sedans, sport trucks, and track-capable builds are stocked at Black Ops Auto Works. Shop matched pad and slotted rotor kits, big brake kits with slotted two-piece rotors, and heavy-duty truck and tow slot kits for Corvette, Porsche, BMW, Ram, F-150, Silverado, Mustang, and import platforms. Every product is filterable by year, make, model, trim, and drivetrain so the correct kit ships the first time. Black Ops Auto Works carries 1,734 performance slotted brake kit SKUs across street, truck and tow, and big brake kit categories. What This Collection Covers Slotted brake kits pair high-carbon slotted rotors with a matched pad compound in a single purchase, removing the guesswork of pairing separate pads and rotors. The slots evacuate gas, heat, and debris from the pad face for more consistent bite under repeated hard stops. Kit Categories Street performance slot kits, truck and tow slot kits, big brake kits with two-piece slotted ...

View Brake Kits - Performance Slot Products
Brakes

Brakes

Brake parts and complete brake kits for cars, trucks, SUVs, Jeeps, and track builds are stocked at Black Ops Auto Works. Shop brake pads, brake rotors, big brake kits, brake calipers, caliper covers, stainless steel brake lines, brake master cylinders, brake hardware, brake drums, brake shoes, hand brakes, and brake adapters for HEMI, Hellcat, Trackhawk, TRX, LS, LT, Coyote, and EcoBoost platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,180 brake SKUs across pads, rotors, big brake kits, calipers, and hydraulic categories. What This Category Covers Brakes are the highest-priority safety upgrade on any modified vehicle. Any horsepower, tire, or suspension change increases the demand placed on the braking system, and a correctly matched pad, rotor, line, and fluid package produces measurable improvements in stopping distance, pedal feel, and heat capacity. This collect...

View Brakes Products
Brembo

Brembo

Brembo brake systems for performance cars and sports coupes are stocked at Black Ops Auto Works. Shop Brembo GT and GT-S big brake kits, OE-style rotors, brake pads, and direct-fit calipers for Ford Mustang and F-150, Chevrolet Corvette and Camaro, BMW M3, Porsche 911, Audi RS4 and A6, Volkswagen Golf R, Nissan Z, Toyota 86 and Subaru WRX STI, Lexus GS300, and Dodge Viper platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 912 Brembo SKUs across big brake kits, rotors, pads, and caliper categories. What This Brand Covers Brembo is the benchmark for high-performance braking, supplying original equipment calipers to Ferrari, Porsche, and BMW while also offering a full aftermarket lineup of big brake kits, OE-style rotors, and pads for street and track use. Core Product Families GT Series kits use fixed 4 and 6-piston calipers for street and track duty. GT-S Series adds larg...

View Brembo Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×