INVIDIA HS15SW4TRG Door Single Outlet Titanium Cat Wrx/sti 80MM

( Brand: Invidia ), ( Type: Inv Titanium Exhaust ), ( Manufacturer Part Number: HS15SW4TRG ), ( Performance Part: Yes )

Review INVIDIA Wrx/sti Door 80mm Single Outlet Full Titanium Cat back fits WRX STI 2015

The Invidia HS15SW4TRG Cat-Back Exhaust System is a high-performance aftermarket exhaust solution designed specifically for the Subaru WRX and STI models produced in 2015. This system is an 80mm single outlet titanium cat-back exhaust, which means it replaces the stock catalytic converters and rear exhaust components with larger diameter pipes and a single, titanium finished exhaust tip.

The HS15SW4TRG Cat-Back Exhaust System is engineered to provide improved exhaust flow and reduced backpressure, resulting in increased power and torque. The use of high-quality, durable materials such as titanium and T304 stainless steel ensures that this exhaust system not only delivers exceptional performance but also boasts outstanding durability and resistance to corrosion.

The system features a smooth, mandrel-bent design that minimizes restrictions and maximizes exhaust gas flow. The titanium finish on the single, 80mm diameter outlet tip provides an aggressive and stylish appearance that sets this exhaust apart.

The Invidia HS15SW4TRG Cat-Back Exhaust System is a direct bolt-on replacement for the stock system, making installation straightforward and hassle-free. It comes with all necessary hardware, including gaskets and clamps, to ensure a secure and leak-free fit.

Furthermore, this exhaust system features a premium, heat-resistant coating on the exhaust pipes that not only protects the system from the extreme temperatures generated during operation but also provides a sleek, factory-finished look.

In summary, the Invidia HS15SW4TRG Cat-Back Exhaust System is an excellent choice for Subaru WRX and STI owners seeking improved performance and a more aggressive look for their vehicles. With its high-quality materials, smooth mandrel-bent design, and straightforward installation process, this exhaust system offers the perfect balance of power, durability, and style.

Invidia HS15SW4TRG Cat-Back Exhaust System for WRX/STI: A Detailed Analysis

The Invidia HS15SW4TRG Cat-Back Exhaust System is a popular aftermarket upgrade for the WRX and STI models. This titanium cat-back exhaust system is known for its performance benefits and distinctive sound. In this analysis, we will discuss the pros and cons of investing in this exhaust system.

1. Enhanced Performance: The Invidia HS15SW4TRG Cat-Back Exhaust System reduces backpressure, allowing the engine to breathe more efficiently. This results in increased horsepower and torque.

2. Improved Throttle Response: The lighter titanium construction and larger diameter exhaust piping contribute to quicker throttle response and a more responsive driving experience.

3. Distinctive Sound: The cat-back exhaust system produces a more aggressive and pleasing exhaust note, enhancing the overall driving experience.

4. Durability: Titanium is a robust and lightweight material that resists corrosion and heat, ensuring longevity and durability.

5. Aesthetics: The single 80mm outlet and titanium construction give the vehicle a sporty and unique appearance.

1. Cost: The Invidia HS15SW4TRG Cat-Back Exhaust System is a premium aftermarket upgrade, carrying a higher price tag than stock exhaust systems.

2. Loudness: The exhaust system produces a louder exhaust note than the stock system, which may not be suitable for those seeking a quieter driving experience.

3. Maintenance: As with any aftermarket exhaust system, the Invidia HS15SW4TRG may require occasional maintenance, such as checking and replacing the muffler packing over time.

The Invidia HS15SW4TRG Cat-Back Exhaust System offers numerous benefits for WRX and STI owners, including improved performance, quicker throttle response, a pleasing exhaust note, durability, and aesthetics. However, it comes at a higher cost and may produce a louder exhaust note than stock. Ultimately, the decision to invest in this aftermarket upgrade depends on personal preferences and priorities. If you are looking for increased performance, a distinctive exhaust note, and a sporty appearance, the Invidia HS15SW4TRG Cat-Back Exhaust System is an excellent choice.

If you are considering purchasing the Invidia HS15SW4TRG Cat-Back Exhaust System for your WRX or STI, it is recommended that you ensure proper installation by a professional exhaust shop. This will help ensure optimal performance and longevity, as well as peace of mind. Additionally, be prepared for the increased cost and potential for a louder exhaust note. If these factors do not concern you, this exhaust system is an excellent investment for those seeking enhanced driving performance and a unique appearance.

part # hs15sw4trg prices

• $1257.95-$1280.27

specifications frazzlekits:

• for models: Wrx, Sti
• for years: 2015
• brand: Invidia
• type: Inv Titanium Exhaust
• manufacturer part number: HS15SW4TRG
• performance part: Yes

returns frazzlekits:

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

payments frazzlekits:

• other
• credit card: Diners-club
• wallet: Paypal

seller frazzlekits:

• # reviews: 105886
• rating: 99.6%

shipping frazzlekits:

• class: Standard
• transit: 3-8 Days
• cost: $0.00
• service: Standard
• type: Fixed

general frazzlekits:

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

offer frazzlekits:

• sold: 0
• started: July 22, 2025
• availability: In Stock
• options: Ship-to-home
• quantity: 4

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