HKS Hi-Power 409 GC8 EJ20 - Black Ops Auto Works
HKS31006-AF009-HKS GR Supra Hi-Power 409 GC8 EJ20-Catback-HKS
HKS31006-AF009-HKS GR Supra Hi-Power 409 GC8 EJ20-Catback-HKS
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HKS GR Supra Hi-Power 409 GC8 EJ20

HKS
HKS31006-AF009
4957266915974
Catback
15 Units In Stock - Ships Next Business Day
$ 1,100.00
FREE Ground Shipping!
$ 1,100.00

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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