INVIDIA HS11STIG3S Steel Tip Cat Sti/for 76MM Q300

( Brand: Invidia ), ( Type: Inv Q300 Stainless Tips ), ( Manufacturer Part Number: HS11STIG3S ), ( Performance Part: Yes )

Review INVIDIA Sti/for Sedan Only 76mm Stainless Steel Tip Cat back fits STI WRX 2011

Introducing the INVIDIA HS11STIG3S Cat-Back Exhaust System, a high-performance aftermarket exhaust solution specifically designed for Subaru WRX models with a 76mm tip. This cat-back system is engineered by INVIDIA, a renowned manufacturer known for its commitment to producing superior quality exhaust components.

The HS11STIG3S Cat-Back Exhaust System is constructed using premium Q300 stainless steel. The use of this material offers several benefits, including enhanced durability against rust and corrosion, as well as improved heat resistance. The system's polished finish adds a touch of elegance and sophistication to your vehicle's exterior.

One of the most significant advantages of the INVIDIA HS11STIG3S Cat-Back Exhaust System is its ability to deliver increased power and performance. The exhaust system's design allows for improved exhaust gas flow, which results in better engine breathing and increased horsepower and torque. The stainless steel mufflers are equipped with steel tip exhausts, providing a powerful and distinctive sound that enhances the driving experience.

The INVIDIA HS11STIG3S Cat-Back Exhaust System is a direct bolt-on replacement for your stock exhaust system. This means that installation is straightforward and can typically be completed in a few hours by an experienced mechanic or an enthusiast with some DIY experience. The system comes with all necessary hardware for installation, ensuring a hassle-free experience.

By choosing the INVIDIA HS11STIG3S Cat-Back Exhaust System, you're investing in a high-quality, performance-enhancing exhaust system that not only delivers increased power and torque but also adds a touch of style and sophistication to your Subaru WRX. Whether you're a daily driver or a weekend warrior, this system is an excellent choice for those looking to take their vehicle to the next level.

Invidia HS11STIG3S Cat-Back Exhaust System for WRX/STI: A Detailed Analysis

The Invidia HS11STIG3S cat-back exhaust system is a popular aftermarket upgrade for Subaru WRX and STI models. This system, featuring 76mm Q300 steel tips, is known for its performance and sound improvements. In this analysis, we will discuss the pros and cons of investing in this exhaust system.

1. Enhanced Performance: The Invidia HS11STIG3S system is designed to improve the flow of exhaust gases, allowing for better engine performance. This results in increased horsepower and torque.

2. Improved Sound: The cat-back exhaust system is renowned for its aggressive and distinctive sound, which is a favorite among Subaru enthusiasts.

3. Durable Construction: Invidia uses high-quality materials, such as stainless steel, for the construction of their exhaust systems. This ensures durability and resistance to corrosion.

4. Increased Air Flow: The larger diameter exhaust pipe allows for increased air flow, leading to better engine breathing and improved overall performance.

5. Enhanced Fuel Economy: Despite the performance improvements, some users have reported modest gains in fuel economy due to the more efficient exhaust system.

1. Cost: The Invidia HS11STIG3S cat-back exhaust system is a premium aftermarket upgrade, and its cost may be a significant deterrent for some buyers.

2. Loudness: The exhaust system is known for its aggressive sound, which may be excessive for some drivers, particularly during normal driving conditions.

3. Installation Complexity: Installing the exhaust system may require professional assistance, which could add to the overall cost of the upgrade.

4. Potential for Increased Emissions: Depending on local regulations, the larger exhaust system may result in increased emissions, which could lead to fines or other penalties.

The Invidia HS11STIG3S cat-back exhaust system offers numerous benefits for Subaru WRX and STI owners, including enhanced performance, improved sound, and increased durability. However, potential drawbacks include the high cost, complex installation, excessively loud sound, and potential for increased emissions.

If you are an enthusiast looking to significantly improve the performance and sound of your Subaru WRX or STI, the Invidia HS11STIG3S cat-back exhaust system is an excellent choice. However, it is essential to consider the potential drawbacks and ensure that the upgrade is both practical and legal in your area before making a purchase. For those seeking a more affordable or less intrusive upgrade, alternative options, such as a performance chip or intake system, may be worth exploring.

part # hs11stig3s prices

• $1273.09-$1710.95

specifications frazzlekits:

• for models: Sti, Wrx
• for years: 2011
• brand: Invidia
• type: Inv Q300 Stainless Tips
• manufacturer part number: HS11STIG3S
• performance part: Yes

offer frazzlekits:

• sold: 0
• started: December 13, 2025
• quantity: 1
• options: Ship-to-home
• availability: In Stock

seller frazzlekits:

• rating: 99.8%
• # reviews: 116414

shipping frazzlekits:

• class: Standard
• transit: 4-7 Days
• cost: $0.00
• type: Fixed
• service: Standard

returns frazzlekits:

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

general frazzlekits:

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

payments frazzlekits:

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

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