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SKU: HS11STIGM4SS
Invidia 11-14 Subaru WRX/STI Sedan Gemini/R400 Single Layer Quad Stainless Steel Tip Catback Exhaust
Invidia HS11STIGM4SS Gemini/R400 catback exhaust delivers enhanced exhaust flow for 2011-2014 Subaru Impreza WRX and STI Sedan models. This full catback system replaces the stock exhaust from the catalytic converter back with mandrel-bent 3-inch piping and quad 4-inch single layer stainless tips. Drivers gain noticeable horsepower increases up to 12 rear wheel horsepower along with a deep aggressive exhaust note without excessive cabin drone.
Key Features
- T304 Stainless Steel Construction: Premium SUS304 piping and tips resist corrosion for long-lasting performance and mirror-polished finish.
- Mandrel-Bent 3-Inch Piping: Smooth uninterrupted bends improve exhaust scavenging for better throttle response and power delivery across the RPM range.
- Quad 4-Inch Single Layer Tips: Angled stainless steel tips create a wide stance aggressive stance and amplify the Gemini series refined deep tone.
- Bolt-On Direct Fit Design: Engineered for easy replacement using factory mounting points and hangers on WRX/STI sedans.
- Power and Sound Gains: Reduces backpressure for dyno-proven torque and HP increases with a throaty growl on acceleration.
Product Notes
- Designed for sedan models only check vehicle submodel for compatibility.
- Clean periodically with mild soap to maintain tip finish.
- Ships fully assembled in protective packaging freight options available for heavy item.
Installation Notes
- Professional installation recommended.
- Bolt-on system requires basic tools and jack stands complete in 2-4 hours.
- Compatible with factory catalytic converter and O2 sensors no cutting or welding needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2014 | Subaru | Impreza | WRX |
| 2011-2014 | Subaru | Impreza | WRX Limited |
| 2011-2014 | Subaru | Impreza | WRX Premium |
| 2011-2014 | Subaru | Impreza | WRX STI |
| 2011-2014 | Subaru | Impreza | WRX STI Limited |
Why Choose Invidia?
- Proven track record in JDM performance exhausts used by track and street enthusiasts worldwide.
- High-flow designs backed by real-world dyno testing for Subaru applications.
- Precision TIG-welded construction ensures leak-free fitment and durability.
Frequently Asked Questions
-
Q: Does this fit 2011-2014 WRX/STI hatchback models?
A: No this HS11STIGM4SS is engineered exclusively for sedan chassis confirm your body style before purchase. -
Q: What material is used for the piping and tips?
A: Full T304 SUS304 stainless steel throughout for superior heat resistance and polished appearance. -
Q: What warranty coverage applies?
A: Limited lifetime warranty against manufacturing defects when installed properly register online for coverage.
Shipping & Handling
- Method: Ground freight or truck shipping
- Availability: In stock - ships same or next business day
- Packaging: Single large box dimensions 52 x 18 x 18 inches
- Weight: 52 lbs
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