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SKU: HS15STIGTT
Invidia 15-21 Subaru WRX/STI 4dr N1 Twin Outlet Single Layer Tip Titanium Cat-Back Exhaust
The Invidia N1 Twin Outlet Single Layer Tip Titanium Cat-Back Exhaust HS15STIGTT transforms 2015-2021 Subaru WRX and STI 4-door sedans with a full cat-back system starting after the catalytic converter. It slashes weight to 12.4 kg or 27.3 lbs for quicker acceleration and sharper handling while boosting exhaust flow for noticeable power gains. Drivers get a deep aggressive N1 motorsport sound from the twin 115mm single-layer tips.
Key Features
- Titanium Piping: High-grade titanium construction weighs only 12.4 kg reducing overall vehicle mass for improved performance and durability against corrosion.
- Twin Single Layer Tips: 115mm polished single-layer rolled-edge tips create a sharp modern stance and enhance the exhaust note.
- Mandrel-Bent Design: 76mm 3-inch piping bends smoothly for unrestricted flow and higher horsepower output.
- N1 Chamber Muffler: Internal baffling tunes a raw race-inspired tone perfect for track days and street driving.
- Complete Cat-Back System: Replaces stock sections with precision components for direct gains in throttle response and torque.
Product Notes
- MPN HS15STIGTT designed as direct OEM replacement for specified sedan models.
- Expect louder volume levels suited for performance enthusiasts.
- Fully assembled with all hardware included for straightforward setup.
Installation Notes
- Professional installation recommended.
- Bolt-on design uses stock mounting points and hangers.
- Basic tools required. includes gaskets and clamps for secure fit.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2016 | Subaru | WRX | Base |
| 2015-2016 | Subaru | WRX | Limited |
| 2015-2016 | Subaru | WRX | Premium |
| 2015-2021 | Subaru | WRX | Sedan |
| 2015-2016 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2016 | Subaru | WRX STI | Limited |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
| 2015-2021 | Subaru | WRX STI | Sedan |
Why Choose Invidia?
- Proven exhaust leader with JDM-inspired engineering for Subaru owners.
- Premium titanium builds ensure long-term strength and heat resistance.
- Exact fitment from dyno-tested designs for reliable power delivery.
Frequently Asked Questions
-
Q: Does HS15STIGTT fit 2017-2021 WRX/STI sedans?
A: Yes it bolts directly to all 2015-2021 Subaru WRX and STI 4-door sedan models using factory connections. -
Q: What material and tip details are used?
A: Full titanium piping and muffler with dual 115mm single-layer rolled tips for lightweight design and clean aesthetics. -
Q: What warranty covers this exhaust?
A: Invidia provides a 1-year manufacturer defect warranty with proper installation.
Shipping & Handling
- Method: UPS or FedEx Ground oversized
- Availability: In stock - ships same or next business day
- Packaging: Heavy-duty single box approx. 48 x 18 x 16 inches
- Weight: 27.3 lbs product / 35 lbs shipping
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