INVIDIA HS15SW4GST Single Exit Exhaust N1

( Brand: Invidia ), ( Part Type: Exit Exhaust ), ( Manufacturer Part Number: HS15SW4GST ), ( Carb Acknowledgement Required: True ), ( Air Freight Prohibited: False )

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

Introducing the INVIDIA HS15SW4GST N1 Single Exit Exhaust System for the 2015-2021 Subaru WRX STI, an exceptional upgrade for your high-performance vehicle. This exhaust system, crafted by INVIDIA, a renowned manufacturer known for its dedication to delivering superior quality aftermarket parts, is designed to enhance the power and performance of your STI while maintaining a refined and aggressive look.

The HS15SW4GST system is a single exit exhaust configuration, a popular choice among enthusiasts for its distinctive appearance and potential power gains. The system is constructed from high-quality T304L stainless steel, ensuring durability and resistance to corrosion. This material also allows for optimal heat management, maintaining an optimal operating temperature for optimal performance.

The exhaust system features a large diameter muffler, allowing for a significant reduction in back pressure and an increase in exhaust flow. This results in improved engine breathing and a more responsive powerband. The muffler is also equipped with INVIDIA's patented G-Power technology, which provides a balanced exhaust note a blend of power and sophistication.

The HS15SW4GST system comes with a high-performance catalytic converter that meets the latest emissions standards, ensuring a smooth and efficient driving experience. It also features a removable link pipe, allowing for easy upgrades or modifications in the future.

The exhaust system includes all necessary hardware for a hassle-free installation, including high-quality clamps, gaskets, and bolts. The system also comes with detailed instructions, making the installation process straightforward and manageable for the average enthusiast.

By upgrading to the INVIDIA HS15SW4GST N1 Single Exit Exhaust System, you'll not only enjoy the enhanced performance and power gains but also the distinct sound that comes with it. This exhaust system is a must-have for any Subaru WRX STI enthusiast looking to take their vehicle to the next level.

Invidia HS15SW4GST N1 Single Exit Exhaust for 15-21 WRX STI: Pros, Cons, and Conclusion

The Invidia HS15SW4GST N1 Single Exit Exhaust is a popular aftermarket exhaust system for the 15-21 WRX STI. This exhaust system is known for its performance benefits and unique design. In this article, we will discuss the pros and cons of buying this exhaust system to help you make an informed decision.

1. Improved Performance: The Invidia HS15SW4GST N1 Single Exit Exhaust system is designed to maximize power and torque by reducing backpressure and increasing exhaust flow. This can lead to improved acceleration and horsepower gains.

2. Unique Design: The single exit exhaust tip gives the WRX STI a distinctive look, setting it apart from other aftermarket exhaust systems.

3. High-Quality Materials: The exhaust system is made from high-quality materials, including titanium and T304 stainless steel, ensuring durability and longevity.

4. Quieter than Predecessor: Compared to the previous model, the HS15SW4GST N1 Single Exit Exhaust is quieter under normal driving conditions, making it a better choice for daily drivers.

5. Easy Installation: The exhaust system comes with all necessary hardware and instructions for a relatively easy installation process.

1. Cost: The Invidia HS15SW4GST N1 Single Exit Exhaust system is more expensive compared to other aftermarket exhaust systems.

2. Loudness: While it is quieter than its predecessor, the exhaust system can still be quite loud, especially during acceleration. This may not be ideal for those who prefer a quieter exhaust note.

3. Fitment Issues: Some customers have reported fitment issues, particularly with the catalytic converter and the downpipe. It is essential to ensure proper fitment before installation.

The Invidia HS15SW4GST N1 Single Exit Exhaust system offers several advantages, including improved performance, unique design, and high-quality materials. However, it also comes with some drawbacks, such as cost, loudness, and potential fitment issues. Ultimately, the decision to purchase this exhaust system depends on your priorities and preferences. If you are looking for a high-performance exhaust system with a unique design and don't mind the cost and potential fitment issues, then the Invidia HS15SW4GST N1 Single Exit Exhaust system may be the right choice for you. On the other hand, if you prefer a quieter exhaust system or are on a tighter budget, there may be other options worth considering.

If you have decided that the Invidia HS15SW4GST N1 Single Exit Exhaust system is the right choice for you, make sure to purchase it from a reputable dealer to ensure proper fitment and quality. Additionally, consider having it installed by a professional to ensure proper installation and avoid any potential issues.

part # hs15sw4gst prices

• $932.95-$1148.12

specifications frazzlekits:

• for models: Wrx, Sti
• for years: 2015-2021
• brand: Invidia
• part type: Exit Exhaust
• manufacturer part number: HS15SW4GST
• carb acknowledgement required: True
• air freight prohibited: False

shipping frazzlekits:

• carrier: UPS
• cost: $0.00
• class: Standard
• type: Fixed
• service: UPS Ground
• transit: 4-8 Days

offer frazzlekits:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: December 31, 2025
• quantity: 5

payments frazzlekits:

• wallet: Apple-pay
• credit card: Discover
• other

seller frazzlekits:

• rating: 99.7%
• # reviews: 52323

general frazzlekits:

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

returns frazzlekits:

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

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