INVIDIA HS11STIDTG Titanium Cat Exhaust Wrx/sti

( Brand: Invidia ), ( Part Type: Exhaust ), ( Manufacturer Part Number: HS11STIDTG ), ( Air Freight Prohibited: False )

Review INVIDIA Wrx/sti Sedan Titanium Cat back Exhaust fits TITAN G5 WRX STI 2009

The Invidia HS11STIDTG Cat-Back Exhaust System for the 2009 Subaru WRX and STI is a top-tier aftermarket exhaust solution that delivers improved performance and an enhanced exhaust note. This system, featuring Invidia's renowned G5 Titan TIG-welded titanium mufflers, is a must-have for Subaru enthusiasts seeking to unleash the full potential of their vehicles.

The HS11STIDTG Cat-Back Exhaust System is designed as a direct replacement for the stock exhaust system, making installation straightforward and hassle-free. It is constructed using premium-grade stainless steel, ensuring durability against the elements and resistance to rust and corrosion.

Invidia's G5 Titan TIG-welded titanium mufflers are the heart of this exhaust system. The use of titanium, a lightweight and strong material, results in significant weight reduction compared to traditional steel mufflers. This reduction in weight translates to improved engine responsiveness and acceleration. Furthermore, the mufflers' unique design provides an optimal balance between sound and performance, delivering a deep, resonant exhaust note that is sure to please.

The Invidia HS11STIDTG Cat-Back Exhaust System also incorporates high-flow catalytic converters, ensuring compliance with emission regulations while allowing for increased exhaust flow for improved performance. The system comes with a polished stainless steel finish, adding a touch of elegance and style to your Subaru WRX or STI.

With the Invidia HS11STIDTG Cat-Back Exhaust System installed, you can expect enhanced power output, improved engine sound, and increased overall driving enjoyment. This exhaust system is the perfect choice for those looking to elevate their Subaru to the next level while maintaining a clean and sophisticated appearance.

Invidia HS11STIDTG Cat-Back Exhaust for 2009 WRX/STI: Pros, Cons, and Conclusion

The Invidia HS11STIDTG cat-back exhaust is a popular aftermarket exhaust system for the 2009 Subaru WRX and STI. In this discussion, we will explore the key benefits (pros) and potential drawbacks (cons) of investing in this exhaust system, followed by a conclusive recommendation.

1. Increased Power: The Invidia HS11STIDTG cat-back exhaust system is designed to enhance power output by improving exhaust flow and reducing backpressure. This can lead to increased horsepower and torque, resulting in improved acceleration and overall performance.

2. Enhanced Sound: The exhaust system delivers an aggressive and distinctive sound, making your Subaru WRX or STI sound more engaging and exhilarating. This improved exhaust note is a result of the high-performance titanium muffler and the larger diameter exhaust piping.

3. Improved Fuel Efficiency: By reducing exhaust backpressure and optimizing exhaust flow, the Invidia HS11STIDTG cat-back exhaust system can potentially improve fuel efficiency, as the engine operates more efficiently and uses fewer resources to produce the same power output.

4. Lightweight: The titanium construction of the muffler and the high-flow, mandrel-bent stainless steel piping contribute to the overall weight reduction of the exhaust system. This can lead to improved handling and acceleration due to reduced unsprung weight.

5. Durability: The Invidia HS11STIDTG cat-back exhaust system is designed to withstand the rigors of high-performance driving, thanks to its robust construction and the use of high-quality materials.

1. Cost: The Invidia HS11STIDTG cat-back exhaust system is a premium aftermarket product, and as such, it comes with a higher price tag compared to stock exhaust systems or some other aftermarket options.

2. Loudness: Depending on personal preferences, the exhaust system may be considered too loud for daily driving. The aggressive exhaust note may not be suitable for those who prefer a more subtle driving experience.

3. Installation Complexity: Installing the Invidia HS11STIDTG cat-back exhaust system may be more complicated than installing a stock exhaust system or some other aftermarket options. This is due to the high-performance design and the use of specialized components.

The Invidia HS11STIDTG cat-back exhaust system is a high-performance aftermarket exhaust solution for the 2009 Subaru WRX and STI. It offers significant power gains, improved sound, potential fuel efficiency improvements, durability, and weight reduction. However, it comes with a higher price tag and may be considered too loud for some.

Based on the information presented, it is recommended that the Invidia HS11STIDTG cat-back exhaust system is an excellent choice for individuals who prioritize performance, durability, and an aggressive exhaust note. For those who prefer a more subtle driving experience or have a limited budget, alternative exhaust options may be more suitable. Ultimately, the decision to invest in this exhaust system depends on personal preferences, driving styles, and priorities.

Details:

part #: hs11stidtg prices

• $1175.20-$3287.09

specifications exhausterupt:

• for models: G5, Wrx, Sti, Titan
• for years: 2009
• brand: Invidia
• part type: Exhaust
• manufacturer part number: HS11STIDTG
• air freight prohibited: False

shipping exhausterupt:

• transit: 3-7 Days
• class: Standard
• service: UPS Ground
• carrier: UPS
• cost: $0.00
• type: Fixed

seller exhausterupt:

• city: Grants Pass, Oregon
• # reviews: 50014
• rating: 99.7%

offer exhausterupt:

• quantity: 5
• availability: In Stock
• options: Ship-to-home
• started: November 20, 2025
• sold: 0

general exhausterupt:

• condition: New
• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Exhaust System Kits

payments exhausterupt:

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

returns exhausterupt:

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

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