Select the year of your Subaru Impreza:

HKS Hi-Power Catback Exhaust for Subaru WRX STI (2002-2006)
Revitalize your Subaru WRX STI with the HKS Hi-Power Catback Exhaust system, meticulously engineered for enthusiasts who demand performance and style. This exhaust system is inspired by HKS’s rich heritage in endurance and GT racing, making it a perfect fit for both turbocharged and naturally aspirated engines.
Key Features
- Race-Inspired Design: Features an innovative offset muffler and piping layout that maximizes exhaust flow.
- Enhanced Performance: Designed to minimize bends, this system provides a straighter exhaust path, resulting in improved mid-range boost response and high-RPM power.
- Durable Construction: Crafted from SUS304 stainless steel, ensuring longevity and resistance to corrosion.
- Tip and Piping Specifications: Tip diameter of 120mm and piping diameter of 75mm for optimal performance.
- Options Available: For those seeking a quieter ride, a Silent Hi-Power version is available, featuring an inner silencer for reduced noise without sacrificing performance.
Fitment
This exhaust system is specifically designed to fit:
- Subaru WRX (2002-2006)
- Subaru STI (2004-2006)
Customer Feedback
Users have noted significant improvements in their vehicle's throttle response and overall power delivery after installing the HKS Hi-Power exhaust. Many appreciate the aggressive sound profile that enhances the sporty character of their WRX STI while maintaining a level of refinement for daily driving.
Visual Representation
Please note that the image is for representation purposes only; the actual product may vary slightly in appearance.
Other Part Numbers:
HKS #hks3106-EX008
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Make Vehicle | Model | Year |
---|---|---|
2002-2006 Subaru Impreza |
Impreza | 2002-2006 |
2002-2003 Subaru STI |
STI | 2002-2003 |
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.
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