INVIDIA HS15SW4GTT Single Exit Exhaust N1

( Brand: Invidia ), ( Part Type: Exit Exhaust ), ( Manufacturer Part Number: HS15SW4GTT ), ( Carb Acknowledgement Required: True ), ( Air Freight Prohibited: False )

Review INVIDIA N1 Single Exit Exhaust And fits WRX STI 2015–2021

The Invidia HS15SW4GTT N1 Single Exit Exhaust System is a high-performance aftermarket exhaust solution designed specifically for the Subaru WRX and STI models from 2015 to 2021. This system is an upgrade from the original factory exhaust, offering enhanced power, improved exhaust flow, and a more aggressive exhaust note.

The HS15SW4GTT N1 Single Exit Exhaust System features a single 76mm (3.0 inches) polished stainless steel exhaust tip, which gives the vehicle a bold and distinctive look. The system is made up of premium T304 stainless steel, which is known for its superior strength and durability. This material ensures that the exhaust system can withstand the extreme temperatures and harsh conditions that come with high-performance driving.

The exhaust system utilizes a straight-through design, which allows for uninterrupted exhaust flow and maximum power gains. The system also includes a high-flow catalytic converter, which reduces exhaust gases and helps the vehicle comply with emissions regulations. This converter is designed to provide a significant improvement in power and torque, especially in the mid-range and top-end RPMs.

The Invidia HS15SW4GTT N1 Single Exit Exhaust System comes with a flexible mid-pipe, which allows for easy installation and reduces the likelihood of exhaust vibrations. The system also includes all necessary hardware for installation, including clamps, gaskets, and mounting brackets.

One of the most notable benefits of this exhaust system is the significant increase in power and exhaust flow. The system provides an increase in horsepower and torque, resulting in improved acceleration and overall performance. Additionally, the exhaust note is more aggressive and exhilarating, adding to the driving experience.

In conclusion, the Invidia HS15SW4GTT N1 Single Exit Exhaust System is a high-quality, high-performance exhaust solution for the Subaru WRX and STI models from 2015 to 2021. It offers enhanced power gains, improved exhaust flow, and a more aggressive exhaust note, all while maintaining emissions compliance. With its premium T304 stainless steel construction and easy installation, this exhaust system is a must-have for any Subaru enthusiast looking to take their vehicle to the next level.

Invidia HS15SW4GTT N1 Single Exit Exhaust for 15-21 WRX STI: Pros, Cons, and Conclusion

The Invidia HS15SW4GTT N1 Single Exit Exhaust is a popular aftermarket exhaust system for the 15-21 WRX STI. This exhaust system is known for its performance and aesthetic improvements. In this analysis, we will discuss the key pros and cons of investing in this exhaust system.

1. Performance: The Invidia HS15SW4GTT N1 Single Exit Exhaust system is designed to improve the power output and torque of your WRX STI. This is achieved by reducing backpressure and allowing the exhaust gases to exit more efficiently.

2. Sound: The single exit exhaust design produces a more aggressive and unique exhaust note. This can be a desirable feature for WRX STI owners looking to enhance the driving experience.

3. Weight Reduction: The Invidia exhaust system is made of high-quality materials, including titanium and T304 stainless steel, which results in a significant weight reduction compared to the stock exhaust system. This weight reduction leads to better overall performance and handling.

4. Durability: The Invidia HS15SW4GTT N1 Single Exit Exhaust system is built to last. It features high-quality materials and meticulous craftsmanship, ensuring that it can withstand the rigors of daily driving and track use.

1. Cost: The Invidia HS15SW4GTT N1 Single Exit Exhaust system is a premium aftermarket exhaust system. It comes with a higher price tag compared to other aftermarket exhaust options.

2. Installation Complexity: Installing the Invidia exhaust system can be a challenging process, especially for those without extensive automotive experience. It may require professional installation to ensure proper fitment and function.

3. Loudness: The single exit exhaust design can produce a loud exhaust note, which may not be suitable for those who prefer a quieter driving experience.

4. Maintenance: The Invidia exhaust system may require more frequent maintenance compared to the stock exhaust system. This is due to the high-performance nature of the exhaust system and the materials used.

The Invidia HS15SW4GTT N1 Single Exit Exhaust system offers significant performance improvements, a unique exhaust note, and a visually appealing design. However, it comes with a higher cost, installation complexity, and increased maintenance requirements. Ultimately, the decision to invest in this exhaust system depends on your personal preferences, budget, and driving style.

If you are a WRX STI owner looking to enhance the performance, sound, and aesthetics of your vehicle, the Invidia HS15SW4GTT N1 Single Exit Exhaust system is a solid choice. However, it is essential to consider the costs, installation complexity, and maintenance requirements before making a purchase. For those who are comfortable with the investment and want the best possible performance, the Invidia exhaust system is a recommended upgrade. For those with a tighter budget or who prefer a quieter exhaust note, alternative aftermarket exhaust options may be more suitable.

part # hs15sw4gtt prices

• $850.00-$1099.99

specifications frazzlekits:

• for models: Wrx, Sti
• for years: 2015-2021
• brand: Invidia
• part type: Exit Exhaust
• manufacturer part number: HS15SW4GTT
• carb acknowledgement required: True
• air freight prohibited: False

returns frazzlekits:

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

seller frazzlekits:

• rating: 99.7%
• # reviews: 52320

shipping frazzlekits:

• transit: 6-10 Days
• type: Fixed
• carrier: UPS
• cost: $0.00
• class: Standard
• service: UPS Ground

general frazzlekits:

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

offer frazzlekits:

• sold: 0
• options: Ship-to-home
• quantity: 5
• availability: In Stock
• started: December 30, 2025

payments frazzlekits:

• wallet: Paypal
• other
• credit card: Discover

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