SKU: HS08STIG3S
Invidia 2008-2014 Subaru STI Hatchback Dual Q300 Stainless Steel Tip Cat-Back Exhaust HS08STIG3S
Invidia HS08STIG3S Q300 cat-back exhaust replaces the stock system from the catalytic converter back on 2008-2014 Subaru Impreza WRX STI Hatchback models. This stainless steel setup with dual rolled-edge tips boosts horsepower by up to 10 whp and torque while producing a deep sporty tone without drone. Mandrel-bent piping ensures smooth exhaust flow for quicker throttle response and improved acceleration.
Key Features
- T304 Stainless Steel Construction: Corrosion-resistant material withstands harsh conditions for long-lasting performance and mirror-polished finish.
- Mandrel-Bent 60.5mm Piping: 2.36-inch diameter tubing provides unrestricted flow to reduce backpressure and increase power output.
- Q300 Muffler Design: Large oval canister muffler delivers refined exhaust note at cruising speeds with aggressive growl under acceleration.
- Dual Stainless Steel Tips: 101.6mm x 89mm double-wall rolled slash-cut tips add bold rear styling and enhance expulsion efficiency.
- Direct Bolt-On Fit: Precision engineering matches OEM hanger locations for easy installation without cutting or welding.
Product Notes
- Requires stock catalytic converter. not for off-road or race use only applications.
- Clean exhaust tips regularly with mild soap to maintain polished appearance.
- Secure packaging protects components during transit. inspect upon arrival.
Installation Notes
- Professional installation recommended.
- Bolt-on design uses factory hangers. allow 2-4 hours with basic tools and jack stands.
- Compatible with stock midpipe and catalytic converter. no modifications needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2014 | Subaru | Impreza | WRX STI Hatchback |
| 2011-2014 | Subaru | Impreza | WRX STI Limited Hatchback |
| 2010 | Subaru | Impreza | WRX STI Special Edition Hatchback |
Why Choose Invidia?
- Engineered in Japan with motorsport heritage for reliable daily driving power.
- Uses premium T304 stainless steel throughout for durability and heat resistance.
- Laser-cut brackets and robotic TIG welds ensure exact fitment and leak-free seals.
Frequently Asked Questions
- Q: Will HS08STIG3S fit my 2010 Subaru STI Hatchback?
A: Yes it fits all 2008-2014 Subaru Impreza WRX STI Hatchback models including Special Edition with direct bolt-on installation using stock hangers. - Q: What material is the Invidia Q300 exhaust made from?
A: Full T304 stainless steel piping, muffler, and dual wall tips for maximum corrosion resistance and polished aesthetics. - Q: What is the warranty on this exhaust?
A: Invidia provides a 1-year limited warranty against manufacturing defects when installed professionally.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed at 51 x 15 x 15 inches
- Weight: 38 lbs product weight, 45 lbs shipping





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