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SKU: HS11STIGTT
Invidia 08+ Subaru WRX/STI 4dr N1 Twin Outlet Single Layer Tip Titanium Cat-Back Exhaust
The Invidia HS11STIGTT N1 titanium cat-back exhaust system replaces the stock setup from the catalytic converter back on 2008-2014 Subaru Impreza WRX/STI 4-door sedans. This full titanium construction slashes weight for quicker acceleration while the N1 canister produces a deep aggressive exhaust note. Drivers gain noticeable horsepower and torque through improved exhaust flow and reduced backpressure.
Key Features
- Full Titanium Build: Piping and muffler made from T304 titanium weighs just 22.5 lbs complete reducing overall vehicle weight by over 25 lbs compared to factory steel exhaust
- N1 Canister Design: Compact race-inspired muffler delivers refined deep tone without drone on highway or track
- Twin Single Layer Tips: 101mm polished rolled-edge outlets enhance rear stance with clean JDM styling
- 76mm Mandrel-Bent Piping: Smooth uninterrupted bends promote maximum exhaust scavenging for power across RPM range
- Bolt-On Fitment: Direct replacement uses factory mounting points hangers and resonators for simple install
Product Notes
- Designed exclusively for 4-door sedan models verify chassis code for exact match
- Clean exterior with mild soap and water avoid abrasive cleaners to preserve titanium finish
- Ships in oversized box requires signature confirmation at delivery
Installation Notes
- Professional installation recommended.
- Bolt-on design reuses OEM gaskets clamps and hangers no cutting or welding required
- Torque all bolts to factory specs use anti-seize on stainless hardware
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 |
| 2008-2014 | Subaru | Impreza | WRX |
| 2010-2014 | Subaru | Impreza | WRX Limited |
| 2009-2014 | Subaru | Impreza | WRX Premium |
Why Choose Invidia?
- Proven in JDM racing and street applications worldwide
- Hand-welded titanium components ensure durability under high heat
- Dyno-tested designs deliver consistent power and sound gains
Frequently Asked Questions
-
Q: Will this fit 2008-2014 WRX/STI hatchback models?
A: No this system fits 4-door sedan chassis only hatchbacks require different part numbers like HS08HMCSTG -
Q: Is the piping and muffler full titanium?
A: Yes entire system including 76mm piping N1 muffler and tips constructed from T304 titanium for lightest weight and corrosion resistance -
Q: What warranty coverage applies?
A: Limited lifetime warranty on welds and material defects 1 year on manufacturing contact Invidia for claims
Shipping & Handling
- Method: UPS Ground or Freight for oversized package
- Availability: In stock - ships same or next business day
- Packaging: Single box measures 51in L x 15in W x 15in H
- Weight: 22.5 lbs product 29 lbs shipping
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Invidia
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