INVIDIA HS15STIG3S Outlet Rolled Steel Wrx/sti 4DR Q300

( Brand: Invidia ), ( Type: Inv Q300 Stainless Tips ), ( Manufacturer Part Number: HS15STIG3S ), ( Performance Part: Yes )

Review INVIDIA Subaru Wrx/sti 4dr Outlet Rolled Stainless Steel fits TWIN QUAD WRX STI 2015

Introducing the INVIDIA HS15 STIG3S Quad Exhaust System for the Subaru WRX and STI 4-door models with a Q300 engine, this rolled steel twin outlet exhaust system is a must-have for those seeking optimal engine performance and a striking visual enhancement.

The INVIDIA HS15 STIG3S exhaust system is designed to replace the stock exhaust and catalytic converter, offering significant improvements in power and exhaust flow. This system features 15kg (33lbs) high-performance mufflers that are engineered to provide a perfect balance between power gain and sound level. The mufflers are constructed using rolled steel for added durability and longevity.

One of the most notable features of the INVIDIA HS15 STIG3S exhaust system is its quad-outlet design. This unique exhaust configuration not only provides a visually stunning appearance but also increases exhaust flow, resulting in improved engine efficiency and better performance. The exhaust tips are finished in a polished stainless steel, ensuring a premium look that complements the overall design of your Subaru.

The INVIDIA HS15 STIG3S exhaust system is designed to be a direct fit for the Subaru WRX and STI 4-door models with a Q300 engine. This means that installation is straightforward and can typically be completed in a few hours with basic hand tools. Additionally, the system is CARB legal, making it a suitable choice for those residing in California or other areas with strict emissions regulations.

By upgrading your Subaru WRX or STI with the INVIDIA HS15 STIG3S quad exhaust system, you'll not only experience improved engine performance but also enjoy the distinctive sound that comes with it. This exhaust system is the perfect choice for those who desire a more aggressive exhaust note and a visually striking exhaust system that sets their vehicle apart from the rest.

Invidia HS15 STIG3S Exhaust System for Subaru WRX/STI (Q300 Twin Outlet Rolled Steel Quad): A Detailed Analysis

The Invidia HS15 STIG3S exhaust system is a popular aftermarket upgrade for Subaru WRX and STI models. This quad-outlet exhaust system is renowned for its performance and aesthetic enhancements. In this analysis, we will discuss the pros and cons of investing in this exhaust system.

1. Enhanced Performance: The Invidia HS15 STIG3S exhaust system is designed to improve the engine's performance by reducing backpressure and increasing exhaust gas flow. This results in better throttle response, increased horsepower, and improved torque.

2. Improved Sound: The rolled steel quad tips produce a distinctive and aggressive exhaust note, which is highly sought after by Subaru enthusiasts. The system also features a high-flow muffler that reduces the overall volume of the exhaust without sacrificing performance.

3. Durability: Invidia is known for its high-quality exhaust components, and the HS15 STIG3S system is no exception. The rolled steel construction is both robust and lightweight, ensuring that the exhaust system can withstand the rigors of daily driving and track use.

4. Visual Appeal: The quad-outlet design of the Invidia HS15 STIG3S exhaust system not only sounds great but also looks impressive. The polished stainless steel tips add a touch of sophistication to the vehicle's exterior, making it a popular choice among Subaru enthusiasts.

1. Cost: The Invidia HS15 STIG3S exhaust system is a premium aftermarket product, and its price reflects its high-performance capabilities. The cost may be a deterrent for some Subaru owners who are on a tight budget.

2. Installation Complexity: Installing an aftermarket exhaust system like the Invidia HS15 STIG3S can be a challenging task, especially for those without prior experience. The installation process may require the use of specialized tools and a significant amount of time.

3. Loudness: While some Subaru enthusiasts appreciate the aggressive exhaust note produced by the Invidia HS15 STIG3S system, others may find it too loud for their liking. This could be a concern for those who frequently drive in residential areas or have neighbors close by.

The Invidia HS15 STIG3S exhaust system is an excellent investment for Subaru WRX and STI owners who are looking to enhance their vehicle's performance and aesthetics. The system's benefits, such as improved power, reduced backpressure, and a distinctive exhaust note, outweigh the potential drawbacks, including cost and installation complexity. If you are a Subaru enthusiast who values performance and style, then the Invidia HS15 STIG3S exhaust system is definitely worth considering.

If you are considering purchasing the Invidia HS15 STIG3S exhaust system for your Subaru WRX or STI, it is recommended that you do your research carefully and weigh the pros and cons carefully. Consider your budget, your installation capabilities, and your personal preferences regarding exhaust sound. If you decide that the benefits outweigh the drawbacks, then the Invidia HS15 STIG3S exhaust system is an excellent choice for your vehicle.

part # hs15stig3s prices

• $979.76-$1306.78

specifications frazzlekits:

• for models: Wrx, Sti, Twin, Quad
• for makes: Subaru
• for years: 2015
• brand: Invidia
• type: Inv Q300 Stainless Tips
• manufacturer part number: HS15STIG3S
• performance part: Yes

shipping frazzlekits:

• class: Standard
• type: Fixed
• cost: $0.00
• service: Standard
• transit: 2-7 Days

offer frazzlekits:

• started: December 29, 2025
• availability: In Stock
• quantity: 3
• sold: 0
• options: Ship-to-home

general frazzlekits:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits

seller frazzlekits:

• rating: 99.8%
• # reviews: 117649

returns frazzlekits:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

payments frazzlekits:

• other
• credit card: Discover
• wallet: Paypal

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