# Genius KG-100670 Disc Brake Rotor for 2015-2024 Subaru WRX, Subaru Legacy, Subaru Outback - Rear

### Performance Overview

Genius has been the undisputed leader in coated rotor manufacturing for the last 15 years thanks to it's groundbreaking lab engineered G-Cast™ iron cast and G-Coat™ dipped conative. Genius in-house engineered managed to develop the best combination of iron cast and coating to produce unmatched protection that adhere and stay durable for the lifetime of the rotor, without compromising on the rotor braking performan...

### Key Features

-   Engineered with with Carbon-Enhanced G-Cast™ (G11H18/G3000) iron castings to achieve an optimal braking performance (strength, stability, durability)
-   Exclusive G-Coat™ double-layer (8µm) protective coating provides rust protection on 100% of the non-braking surface
-   100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed
-   Cross-Hatched smooth surface to improve the pad's ability to grip the rotor surface, especially during initial brake applications or in wet conditions
-   Double disc ground finish eliminates lateral run-out and DTV (disk thickness variation) issues on the rotor and improves pad-rotor bed-in
-   Tested for maximum tolerance to voluminous amount of constant thermal cycles

### Package include:

-   2x Disc Brake Rotor

### Vehicle Fitment

**Fitment Summary:** 2015-2024 Subaru WRX, Subaru Legacy, Subaru Outback

**Position:** Rear

-   2022-2023 Subaru WRX — Position: Rear | Note: With Electric Parking Brake
-   2016-2021 Subaru WRX — Position: Rear | Note: With Eyesight Package (Steering Responsive Fog Lights)
-   2015-2024 Subaru Legacy — Position: Rear
-   2015-2024 Subaru Outback — Position: Rear

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. This listing includes fitment data for 2015-2024 Subaru WRX, Subaru Legacy, Subaru Outback.

**What part number is this?**  
The listed part number is KG-100670.

**Is this product designed for direct replacement?**  
Yes. This Disc Brake Rotor is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Disc Brake Rotor for Subaru WRX
-   KG-100670 fitment
-   Genius Disc Brake Rotor
-   Rear Disc Brake Rotor
-   2015-2024 Subaru WRX Disc Brake Rotor

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2022

Subaru

WRX

Rear

With Electric Parking Brake

2023

Subaru

WRX

Rear

With Electric Parking Brake

2016

Subaru

WRX

Rear

With Eyesight Package (Steering Responsive Fog Lights)

2017

Subaru

WRX

Rear

With Eyesight Package (Steering Responsive Fog Lights)

2018

Subaru

WRX

Rear

With Eyesight Package (Steering Responsive Fog Lights)

2019

Subaru

WRX

Rear

With Eyesight Package (Steering Responsive Fog Lights)

2020

Subaru

WRX

Rear

With Eyesight Package (Steering Responsive Fog Lights)

2021

Subaru

WRX

Rear

With Eyesight Package (Steering Responsive Fog Lights)

2015

Subaru

Legacy

Rear

2016

Subaru

Legacy

Rear

2017

Subaru

Legacy

Rear

2018

Subaru

Legacy

Rear

2019

Subaru

Legacy

Rear

2020

Subaru

Legacy

Rear

2021

Subaru

Legacy

Rear

2022

Subaru

Legacy

Rear

2023

Subaru

Legacy

Rear

2024

Subaru

Legacy

Rear

2015

Subaru

Outback

Rear

2016

Subaru

Outback

Rear

2017

Subaru

Outback

Rear

2018

Subaru

Outback

Rear

2019

Subaru

Outback

Rear

2020

Subaru

Outback

Rear

2021

Subaru

Outback

Rear

2022

Subaru

Outback

Rear

## Details

- **Price:** 98.38 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 2015-2024 Subaru WRX, Automotive Parts, Brake Parts, Disc Brake Rotor, Genius, KG-100670, Rear, Replacement Parts, Subaru WRX, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 98.38 CAD | In stock |

## Images

- Genius KG-100670 Disc Brake Rotor for 2015-2024 Subaru WRX, Subaru Legacy, Subaru Outback - Rear

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> Source: [Standard Auto Part](www.standardautopart.com/products/genius-kg-100670-disc-brake-rotor-2015-2024-subaru-wrx)
> Updated: 2026-06-10