SKU: 31006-AF009 | UPC: 4957266915974
HKS Hi-Power 409 Muffler Subaru Impreza GC8 EJ20 Turbo 1993-1999
The HKS Hi-Power 409 muffler delivers precise engineering for Subaru Impreza GC8 models with EJ20 Turbo engines from November 1992 to August 1999. This catback system fits 2-door sedan configurations and upgrades stock exhaust with larger piping for freer flow and aggressive tone. Expect noticeable gains in throttle response and horsepower alongside a deep motorsport growl at 98dB idle.
Key Features
- 409 Stainless Steel Construction: SUS409 main material resists corrosion and withstands high heat for long-term durability on street or track.
- 75mm Center Pipe: Largest diameter section improves exhaust scavenging and reduces backpressure for better engine breathing and power delivery.
- 120mm Tip Diameter: Rolled edge outlets provide clean styling and efficient gas expulsion without drone.
- 98dB Close Noise Level: Certified under 03S09539 rises from stock 87dB for thrilling presence while meeting Japanese regulations.
- 105mm Road Clearance: Measured at main pipe suits lowered setups delivering 105mm minimum without scraping.
Product Notes
- Made to order item allows custom production for perfect fit.
- Applies to 2-door model G variants of GC8 chassis.
- Exhaust noise certified at idle for legal compliance in Japan.
Installation Notes
- Professional installation recommended.
- Bolt-on design uses factory mounts on GC8 chassis.
- Verify suspension height as data reflects stock or lowered configurations.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1999 | Subaru | Impreza | GC8 EJ20 Turbo 2-Door |
Why Choose HKS?
- Decades of JDM tuning experience powers every component.
- Lightweight designs shed stock weight for quicker acceleration.
- Made in Japan with exact tolerances for GC8 platforms.
Frequently Asked Questions
- Q: Will this fit my GC8 Impreza WRX?
A: Yes for 2-door EJ20 Turbo models built November 1992 to August 1999. Confirm chassis code GC8 and sedan body. - Q: What material is used and does it rust?
A: Full SUS409 stainless steel body and piping provides strong rust resistance even in harsh weather. - Q: What warranty covers this muffler?
A: HKS offers defect warranty through authorized distributors. Contact seller for details.
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed to protect components during transit
- Weight: 11.7 kg (25.8 lbs)
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