Unleash the true potential of your Toyota GR Corolla with the HKS Exhaust System (31021-AT009). Designed specifically for the 2023+ model, this exhaust system not only enhances performance but also elevates your driving experience with its impressive sound profile and sleek design.
Users have praised the HKS Exhaust System for its remarkable sound quality and noticeable performance enhancement. Many appreciate the deep, sporty tone that resonates throughout the RPM range, making every drive an enjoyable experience. The installation process is straightforward, thanks to the included "EXHAUST ERROR CANCELLER," which ensures that there are no error codes during operation.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2023 Toyota GR Corolla |
GR Corolla | 2023 |

Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.
HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.