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SKU: HS11STIGTP
Invidia 2008-2014 Subaru WRX/STI 4dr N1 Twin Outlet Single Layer Tip SS Cat-Back Exhaust
Invidia HS11STIGTP N1 cat-back exhaust replaces the stock system from the catalytic converter back for 2008-2014 Subaru Impreza WRX and WRX STI sedans. This stainless steel setup delivers noticeable horsepower and torque increases along with sharper throttle response. The N1 design produces a deep aggressive exhaust note ideal for track or street driving.
Key Features
- T304 Stainless Steel Construction: Provides lasting durability and resistance to corrosion in all driving conditions.
- Mandrel-Bent 3-Inch Piping: Ensures smooth exhaust flow to reduce backpressure and support higher engine output.
- Twin 4.5-Inch Single Layer Tips: Slash-cut angled design adds bold rear stance and amplifies the signature N1 sound profile.
- N1 Chamber Muffler: Engineered for refined tone with low drone at cruising speeds and high-rev roar under acceleration.
- Bolt-On Direct Fit: Precision engineering matches OEM hanger locations for straightforward replacement on compatible models.
Product Notes
- Edging trim kit included to finish cut edges cleanly after installation.
- Exhaust produces louder volume than stock check local sound regulations.
- Ships fully assembled ready for install no welding required.
Installation Notes
- Professional installation recommended.
- Requires removal of stock cat-back system use provided gaskets and clamps.
- Compatible with OEM catalytic converters and aftermarket units of similar size.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2014 | Subaru | Impreza | WRX STI |
| 2011-2014 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2009 | Subaru | Forester | XT |
| 2009-2010 | Subaru | Forester | XT Limited |
| 2010-2013 | Subaru | Forester | XT Premium |
| 2011-2013 | Subaru | Forester | XT Touring |
| 2008-2014 | Subaru | Impreza | WRX |
| 2010-2014 | Subaru | Impreza | WRX Limited |
| 2009-2014 | Subaru | Impreza | WRX Premium |
Why Choose Invidia?
- Japanese engineering with TIG-welded construction for strength and longevity.
- Dyno-tested gains of 8-12 whp and improved mid-range torque.
- High-flow design proven on Subaru turbo platforms worldwide.
Frequently Asked Questions
-
Q: Will this fit my 2008-2014 WRX STI sedan with stock cat?
A: Yes HS11STIGTP bolts directly to factory catalytic converter on all listed 4dr Impreza WRX STI models. -
Q: What material and tip design does it use?
A: Full T304 stainless steel piping and muffler with twin 115mm single-layer slash-cut tips. -
Q: What is the warranty and sound level?
A: 1-year manufacturer defect warranty louder than stock with deep tone no excessive cabin drone.
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed dimensions 52 x 16 x 16 inches
- Weight: 35 lbs shipping 26 lbs product
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Invidia
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