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Item #:
6211431
Invidia (HS15STIG3T) Q300 Rolled Titanium Quad Tip Cat-Back Exhaust System for Subaru WRX/STI
Item #:
6211431
SBD 18871
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
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In stock
Imported from USA store
QTY:
Only 4 items left in stock.
Order now and get it around Monday, July 27
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The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free-flow exhaust with optimized back pressure, giving greater horsepower, torque gains and a rich, deep, sporty sound.
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What Stands Out
Premium Build Quality
Crafted from high-grade stainless steel, the Q300 ensures durability and corrosion resistance, offering lasting performance and a sleek look for Subaru WRX/STI owners.
Enhanced Sound
Designed for an aggressive yet refined exhaust note, this system optimizes engine acoustics, providing a sporty sound without being overwhelming, perfect for driving enthusiasts.
Easy Installation
Engineered for a direct-fit installation, the Q300 exhaust system reduces the complexity and time required for setup, allowing Subaru owners to enhance their vehicle's performance effortlessly.
Product Details
- Fits 2015-Up Subaru WRX/STI 4 Door
- Pipe size: 76mm (3"), Tip size: 110mm (4.3")
- Constructed with high-quality SUS304 stainless steel, CNC-machined flanges, Robot TIG welding and double wall tips
- Flat bottom shaped muffler design results in improved high speed aerodynamic performance, providing greater horsepower, torque gains and a rich, deep, sporty sound
- Rolled, Titanium Quad tips
Product Technical Details
| Manufacturer | Invidia |
| Brand | Invidia |
| Model | HS15STIG3T |
| Item Weight | 47 pounds |
| Item model number | HS15STIG3T |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | HS15STIG3T |
| OEM Part Number | HS15STIG3T |
Who Should Buy?
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Performance Enthusiasts
Ideal for those who seek enhanced performance and sound from their Subaru WRX/STI with minimal back pressure.
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Sound Seekers
Perfect for users desiring a deep, aggressive exhaust note that enhances the driving experience without being overly loud.
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Stylish Upgraders
Great choice for owners who want a stylish quad tip design that improves the visual appeal of their vehicle.
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Daily Commuters
Not suited for those prioritizing quiet operation during daily drives, as it produces a noticeable sound increase.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the Invidia HS15STIG3S Q300 exhaust system made of?
Answer: The Invidia HS15STIG3S Q300 exhaust system is constructed from high-quality stainless steel, which ensures durability and resistance to corrosion. This material enhances the exhaust's lifespan while maintaining a sleek and polished appearance. Stainless steel's ability to withstand harsh weather and road conditions makes it an ideal choice for performance upgrades. For Subaru WRX STI enthusiasts, a well-built exhaust system is crucial to achieving optimal sound and performance, allowing for improved horsepower and torque. -
Question:
What are the sound characteristics of the Q300 exhaust system?
Answer: The Q300 exhaust system is designed to produce a deep, rich tone that enhances the sporty character of the Subaru WRX STI without being overly loud or disruptive. Its design focuses on providing an aggressive sound that appeals to driving enthusiasts while still maintaining a civil volume during everyday driving situations. This makes the system suitable for both performance driving and daily use, giving drivers the best of both worlds when it comes to sound quality and practicality. -
Question:
Will the Invidia Q300 exhaust system improve my car's performance?
Answer: Yes, the Invidia Q300 cat-back exhaust system is engineered to enhance the performance of your Subaru WRX STI by improving exhaust flow. This upgrade helps reduce back pressure and allows the engine to breathe more freely, which can lead to gains in horsepower and torque. Performance enthusiasts often seek this upgrade to maximize their vehicle's potential, especially during racing or spirited driving scenarios, making it a dependable choice for those looking to elevate their driving experience. -
Question:
Is the installation of the Q300 exhaust system difficult?
Answer: Installing the Invidia Q300 exhaust system is considered a straightforward task for those familiar with automotive modifications. The kit typically comes with all necessary hardware and installation instructions. While it can be done as a DIY project, having a professional mechanic handle the installation can ensure a precise fit and optimal performance. This can be especially beneficial to those who are less experienced with car modifications or lack the tools required for installation. -
Question:
Does the Q300 exhaust offer any tuning compatibility?
Answer: The Invidia Q300 exhaust system is compatible with various tuning setups for the Subaru WRX STI. This means that it pairs well with aftermarket engine tunes, downpipes, and other performance components. When used in conjunction with proper tuning, this exhaust can maximize power gains and improve throttle response. This flexibility allows enthusiasts to customize their vehicles, ultimately enhancing their driving experience and achieving their desired performance metrics. -
Question:
How does the Q300 cat-back exhaust affect fuel efficiency?
Answer: While the primary aim of the Invidia Q300 exhaust system is to improve performance, many users also report a slight enhancement in fuel efficiency due to improved exhaust flow. A more efficient exhaust can reduce engine workload, which in some cases translates to better fuel economy, especially during moderate driving. This can be particularly appealing for drivers who balance performance upgrades with daily driving needs. -
Question:
What makes the quad tip design of the Q300 unique?
Answer: The quad tip design of the Invidia Q300 exhaust system provides a visually striking aesthetic that sets it apart from other exhaust systems. Not only does it enhance the car's appearance, but the design also contributes to a more even exhaust flow, optimizing performance. The dual outlet styling is particularly beneficial for those who want to make a visual statement while enhancing their vehicle’s overall exhaust efficiency. -
Question:
Can the Q300 exhaust system affect my vehicle's emissions?
Answer: The Invidia Q300 exhaust system maintains compliance with emissions regulations when used with a stock catalytic converter. However, modifications to other components of the exhaust system can impact emissions performance. Owners should consider their local regulations regarding emissions tuning and make sure to check compatibility before installation. For those focused on performance improvements while still adhering to environmental standards, the Q300 system can serve as a functional upgrade. -
Question:
Where can I find reviews or feedback about the Invidia Q300 exhaust system?
Answer: A wealth of customer feedback and reviews for the Invidia Q300 exhaust system can be found online, particularly on automotive forums, enthusiast websites, and e-commerce platforms. These reviews often contain personal experiences from fellow Subaru WRX STI owners who provide insights on installation, performance enhancements, and sound quality. Engaging with these communities can offer valuable firsthand information, helping you make an informed purchase decision based on collective user experiences. -
Question:
Where can I buy Invidia HS15STIG3S Q300 Rolled Stainless Steel Quad Tip Cat-Back Exhaust System for Subaru WRXSTI?
Answer: You can purchase the Invidia HS15STIG3S Q300 Rolled Stainless Steel Quad Tip Cat-Back Exhaust System for Subaru WRXSTI exclusively on Ubuy in Solomon Islands. Ubuy offers a convenient platform to find this high-performance exhaust system, ensuring you have access to product specifications and customer reviews, aiding your decision-making process for this essential automotive modification.
Invidia Cat-Back Systems HS15STIG3T Editorial Review
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
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12 June 2026 · via Trustpilot
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SBD 18871
Order now and get it around Monday, July 27
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 4 items left in stock.
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Features & Benefits
- - Improved aerodynamic performance
- - Greater horsepower and torque gains
- - Excellent free-flow exhaust
- - Optimized back pressure
- - Rich, deep, sporty sound
- - Constructed with high-quality materials
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