Features & Benefits
- Alternative to power-boosting enhancements
- Large 4-in stainless-steel Bell mount for enhanced power
- One-piece design, no need for stock catalytic converter
- Can be fitted to any Invidia/existing exhaust
- Easy installation
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- Invidia HS15STIGM4SS Exhaust System Back Exha...
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Item #:
6146819
Invidia HS15STIGM4SS Exhaust System Back Exhaust2015 Subaru WRXSti GeminiR400 Single Layer Quad Stainless Steel Tip Cat
Item #:
6146819
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The Invidia pipe easily added several horsepower units to the stock exhaust system
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What Stands Out
Premium Build
Constructed from high-quality stainless steel, ensuring durability and resistance to corrosion, the exhaust system provides long-lasting performance that enhances the Subaru WRX STI's aesthetic and acoustics.
Optimized Performance
Designed to improve exhaust flow, this system boosts horsepower and torque, enhancing overall driving experience by maximizing engine efficiency, outperforming standard exhaust systems.
Striking Design
The Gemini R400 quad-tip design not only adds a visually appealing touch to your vehicle but also gives a deeper, more aggressive sound, appealing to automotive enthusiasts seeking style and performance.
Product Details
- Enhances power and performance for 2015 Subaru WRX/STi with GeminiR400 Single Layer Quad Stainless Steel Tip Cat exhaust system
- Dyno chart demonstrates significant horsepower gains over stock exhaust system
- Features large 4-inch stainless-steel bell mouth for improved power by releasing excess gas
- One-piece design eliminates the need for stock catalytic converter
- Compatible for easy bolt-on installation with Invidia exhaust or stock exhaust
| Brand | Invidia |
| Material | Stainless Steel |
| Vehicle Service Type | Car |
| Shape | Round |
| Installation Type | Bolt-On |
Who Should Buy?
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Performance Enthusiasts
Ideal for enthusiasts seeking enhanced performance and exhaust notes in their 2015 Subaru WRX STI.
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Track Users
Great for users who participate in track events and want to optimize their vehicle's performance and sound.
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Aesthetic Upgraders
Attractive stainless steel finish appeals to users looking to upgrade the visual aesthetics of their vehicle.
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Daily Commuters
May be too loud for users who prefer a quieter driving experience during daily commutes.
Product Description
Invidia HS15STIGM4SS Exhaust System Back Exhaust2015 Subaru WRXSti GeminiR400 Single Layer Quad Stainless Steel Tip Cat
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Customer Questions & Answers
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Question:
What is the primary function of the Invidia HS15STIGM4SS Exhaust System?
Answer: The Invidia HS15STIGM4SS Exhaust System is designed to enhance your 2015+ Subaru WRX/STi vehicles by improving exhaust flow, which can result in increased horsepower and torque. This performance-focused exhaust system features a unique design that minimizes back pressure and allows the engine to breathe more freely. Many Subaru enthusiasts seek this upgrade to achieve a more aggressive sound and improved engine performance during driving, particularly in high-demand situations like racing or spirited driving. -
Question:
Does the Invidia HS15STIGM4SS Exhaust System require modifications for installation?
Answer: Typically, the Invidia HS15STIGM4SS Exhaust System is engineered for a direct fit on the specified Subaru models, minimizing the need for extensive modifications. However, some users may opt for slight adjustments to achieve a perfect alignment or fit, particularly if aftermarket components are involved. Considering your vehicle's specific setup can ensure a smoother installation process, making it an ideal choice for both amateur builders and seasoned car enthusiasts looking to enhance their exhaust system. -
Question:
What materials are used in the construction of the Invidia HS15STIGM4SS Exhaust System?
Answer: The Invidia HS15STIGM4SS Exhaust System is crafted from high-quality stainless steel, providing superior durability and resistance to corrosion. This material choice not only ensures longevity but also contributes to a sleek and polished appearance. The use of stainless steel is critical for performance exhausts, as it maintains structural integrity under high temperatures and conditions, which is especially beneficial for drivers who push their Subaru to the limits. -
Question:
What kind of sound can I expect from the Invidia HS15STIGM4SS Exhaust System?
Answer: The Invidia HS15STIGM4SS Exhaust System is designed to deliver an aggressive and sporty exhaust note that enhances the driving experience. Users typically report a deep and throaty sound that resonates power without being overly disruptive during regular driving. This makes it an excellent choice for those who want to enjoy the auditory pleasures of performance driving while maintaining a reasonable level of comfort during day-to-day use. -
Question:
Will the Invidia HS15STIGM4SS Exhaust System cause any check engine light issues?
Answer: Generally, the Invidia HS15STIGM4SS Exhaust System is designed to integrate seamlessly with your vehicle's existing systems, minimizing the risk of triggering a check engine light. However, installation of any aftermarket exhaust can sometimes conflict with vehicle sensors or systems if not properly aligned or installed. Ensuring professional installation can help mitigate these concerns and maintain your vehicle's electronic systems in optimal condition. -
Question:
How does the Invidia HS15STIGM4SS improve overall vehicle performance?
Answer: The Invidia HS15STIGM4SS exhaust system enhances performance primarily by reducing back pressure and increasing exhaust flow. This allows the engine to expel exhaust gases more efficiently, translating to improved power output and throttle response. Drivers often notice enhanced acceleration and a more lively driving experience, particularly beneficial during high RPMs when maximum power is critical for performance-focused driving scenarios. -
Question:
Can I use the Invidia HS15STIGM4SS Exhaust System with other modifications?
Answer: Yes, the Invidia HS15STIGM4SS Exhaust System is compatible with a range of other performance modifications including intakes, turbo upgrades, and tuning solutions. Many enthusiasts combine this exhaust with a tuned ECU to fully unlock their vehicle's potential. This combination can maximize both horsepower and efficiency, making it a popular choice for those looking to build a comprehensive performance package tailored to their driving preferences. -
Question:
How does the design of the Invidia HS15STIGM4SS affect exhaust flow?
Answer: The Invidia HS15STIGM4SS Exhaust System features a quad tip design which aids in expelling exhaust gases more efficiently compared to factory exhausts. This design minimizes bottlenecks and optimizes the path for exhaust gases to exit the system, contributing to improved performance metrics. Car enthusiasts often appreciate this design for contributing not only to performance but also to a distinctive and sporty aesthetic on their Subaru. -
Question:
Is the Invidia HS15STIGM4SS Exhaust System street legal?
Answer: The street legality of the Invidia HS15STIGM4SS Exhaust System may vary by region due to differing emissions regulations. This exhaust is tuned to produce a more aggressive sound, which may or may not meet local noise ordinances. It’s always a good idea to check with local regulations and possibly consult with professionals to ensure compliance if you plan to use your vehicle on public roads regularly. -
Question:
Where can I buy the Invidia HS15STIGM4SS Exhaust System?
Answer: You can purchase the Invidia HS15STIGM4SS Exhaust System from Ubuy. They provide a convenient online shopping experience specifically tailored to your location, making it easy to find and secure this high-performance exhaust system for your Subaru WRX/Sti models. Ubuy often offers a variety of options and support to ensure you get the right product quickly and efficiently.
Invidia Cat-Back Systems Editorial Review
The Invidia HS15STIGM4SS Exhaust System Back Exhaust is a great addition to the 2015 Subaru WRX STi. The Gemini R400 single layer quad stainless steel tip catback exhaust system improves the power and sound of the vehicle. It is specifically designed for 2015-2021 WRX and STi models, so buyers can ensure that it will fit their vehicle. While there may be some clearance issues with a hitch installed, the catback exhaust system should fit without an issue. Overall, customers have had a positive experience with the Invidia HS15STIGM4SS Exhaust System Back Exhaust. It fits a wide range of Subaru models, delivers an improved performance, and has a great sound.
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Pros
- Fits a wide range of Subaru models
- Improved performance
- Great sound
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