Available on backorder
Runduce Rear 4-Piston 330mm Big Brake Kit for Subaru WRX STI GDB (2000-2007): rear kit pairs four-piston calipers with 330 mm rotors. Ships nationwide with expert fitment support from Diamond Parts.
Available on backorder
Send us your VIN and we’ll confirm fitment before you buy.
Buy Runduce Rear 4-Piston 330mm Big Brake Kit for Subaru WRX STI GDB (2000-2007) and give your Subaru Impreza WRX STI GDB (2000-2007) the stopping power it deserves. The Subaru Impreza WRX STI GDB (2000-2007) deserves brakes that keep up with how it is driven, whether that is spirited road driving or regular track days. This Runduce 4-Piston 330mm rear kit pairs four-piston calipers with 330 mm rotors.
We stock performance parts from respected brands, with secure checkout and real people who know cars. Compare more big brake kits, see our brakes collection, and read our shipping policy for delivery times.
Here is what you get when you buy Runduce Rear 4-Piston 330mm Big Brake Kit for Subaru WRX STI GDB (2000-2007):
| Product | Runduce Rear 4-Piston 330mm Big Brake Kit for Subaru WRX STI GDB (2000-2007) |
|---|---|
| Brand | Runduce |
| Product line | 4-Piston 330mm |
| Vehicle fitment | Subaru Impreza WRX STI GDB (2000-2007) |
| Axle | Rear |
| Caliper pistons | 4 |
| Rotor diameter | 330 mm |
| SKU | 8796D8E5 |
This upgrade suits drivers who have outgrown the factory brakes, whether through more power, stickier tyres, heavier use or regular track days. Larger calipers and rotors add thermal capacity, so the pedal stays firm and the stopping distances stay consistent lap after lap and stop after stop. It is also a smart choice for heavier vehicles and anyone who simply wants more confidence on fast roads.
Most drivers notice a firmer, more progressive pedal and stronger, more predictable bite straight away. Under repeated hard use the brakes resist fade far better than stock, which means you can brake later and with more confidence. The larger components also give the car a purposeful look behind the wheels.
When you buy Runduce Rear 4-Piston 330mm Big Brake Kit for Subaru WRX STI GDB (2000-2007), plan for a professional or experienced home installation. Bleed the system with fresh, high-temperature brake fluid, torque every bolt to specification and check that the lines clear the suspension at full steering lock. Spin each wheel by hand before driving to confirm the caliper clears the inside of the rim.
After you buy Runduce Rear 4-Piston 330mm Big Brake Kit for Subaru WRX STI GDB (2000-2007) and fit it, bed in the pads with a series of moderate stops from about 40 mph to 10 mph, then several firmer stops, without holding the car stationary on hot brakes. A slow cool-down drive lets the pad material settle evenly for a firm pedal and consistent bite.
Before you buy Runduce Rear 4-Piston 330mm Big Brake Kit for Subaru WRX STI GDB (2000-2007), think about how you drive. Street pads offer quiet operation and good cold bite, while track pads resist fade at much higher temperatures. Pair either with a quality high-boiling-point fluid, and ask our team if you would like a recommendation for your car.
Once you buy Runduce Rear 4-Piston 330mm Big Brake Kit for Subaru WRX STI GDB (2000-2007), check pad thickness and rotor condition regularly, especially after track days. Replace the brake fluid at least once a year, and clean the calipers with mild soap and water to protect the finish.
This kit is listed for the Subaru Impreza WRX STI GDB (2000-2007). Fitment can vary with model year, trim and options, so send us your VIN through our contact page and we will confirm compatibility before your order ships. Our team can also advise on supporting parts, installation and setup, so you get the most from your new components from the very first drive.
Upgrade with confidence: Buy Runduce Rear 4-Piston 330mm Big Brake Kit for Subaru WRX STI GDB (2000-2007) today, or call our parts team on (303) 418-3426 for advice.
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