HKS HKS31019-AM008 Silent Power Exhaust EVO9 CT9A 4G63

( Brand: Hks ), ( Manufacturer Part Number: HKS31019-AM008 ), ( Type: Cat Back Exhaust Kit ), ( Features: Cat Back, 100 Accuracy Of Fit ), ( Mounting Style: Bolt-on ), ( Performance Part: Yes )

Review HKS Silent Hi power 4g63 Exhaust

The HKS HKS31019-AM008 EVO9 Silent Hi-Power CT9A 4G63 Exhaust is a high-performance aftermarket exhaust system designed specifically for the Subaru Impreza WRX and STI models with the CT20B, EJ20, EJ25, or FHI 4G63 engines, commonly found in the Subaru Impreza EVO IX. This exhaust system offers significant power gains and an enhanced driving experience.

This exhaust system is a full replacement for the stock exhaust, featuring high-flow mufflers that provide a significant reduction in backpressure while maintaining a quiet and civilized exhaust note. The system is designed to be a direct fit, making installation straightforward and hassle-free for most DIY enthusiasts.

The HKS Silent Hi-Power CT9A 4G63 Exhaust is constructed from premium materials, including high-quality stainless steel. This not only ensures durability and longevity but also provides superior heat resistance and resistance to corrosion. The system is also designed to be lightweight, reducing unsprung weight and improving overall vehicle performance.

One of the key features of this exhaust system is the high-flow design, which allows for increased airflow and better engine breathing. This leads to improved power output and torque, resulting in better acceleration and overall performance. The system is also designed to be compatible with various performance upgrades, such as larger turbos or high-performance air intake systems.

The HKS HKS31019-AM008 EVO9 Silent Hi-Power CT9A 4G63 Exhaust is a must-have for any Subaru Impreza WRX or STI enthusiast looking to maximize the potential of their engine. With its high-flow design, premium construction, and quiet exhaust note, this exhaust system offers the perfect balance of power and refinement. Whether you're looking to take your daily driver to the next level or prepare your car for competition, the HKS Silent Hi-Power CT9A 4G63 Exhaust is an excellent choice.

HKS HKS31019-AM008 EVO9 Silent Hi-Power CT9A 4G63 Exhaust: Pros, Cons, and Conclusion

The HKS HKS31019-AM008 EVO9 Silent Hi-Power CT9A 4G63 Exhaust is a popular aftermarket exhaust system for Subaru Impreza WRX and STI models. In this article, we will discuss the pros and cons of buying this exhaust system to help you make an informed decision.

1. Power Increase: The HKS exhaust system is designed to provide a significant power increase. It allows for better exhaust flow and reduces backpressure, which can lead to increased horsepower and torque.

2. Sound: The "silent" version of this exhaust system is designed to be quieter than other aftermarket exhausts. This can be beneficial for those who want to maintain a stealthy appearance or live in noise-sensitive areas.

3. Durability: HKS is a reputable brand known for producing high-quality performance parts. The HKS exhaust system is made from high-grade stainless steel, which ensures durability and resistance to corrosion.

4. Fit and Finish: The HKS exhaust system is known for its excellent fit and finish. It is designed to bolt on easily and fit perfectly, without requiring any modifications.

5. Improved Throttle Response: The HKS exhaust system can help improve throttle response by reducing exhaust gas flow restriction. This can lead to smoother acceleration and better overall driving dynamics.

1. Cost: The HKS exhaust system is more expensive than some other aftermarket exhausts. This may be a significant deterrent for some buyers.

2. Installation: The installation process for the HKS exhaust system can be more complicated than some other aftermarket exhausts. It may require the use of specialized tools and may take longer to install.

3. Weight: The HKS exhaust system is heavier than the stock exhaust system. This can have a slight negative impact on fuel economy and handling.

4. Drone: Despite being marketed as a "silent" exhaust, some owners have reported that it still produces a noticeable exhaust note. This may be a concern for those who want a truly quiet exhaust.

The HKS HKS31019-AM008 EVO9 Silent Hi-Power CT9A 4G63 Exhaust is a high-quality aftermarket exhaust system that offers significant power gains, improved throttle response, and durability. However, it comes with a higher price tag and a more complicated installation process. If you are looking for a quieter aftermarket exhaust with good power gains and excellent build quality, the HKS exhaust system is a worthy consideration.

If you are in the market for an aftermarket exhaust system for your Subaru Impreza WRX or STI and are looking for a quieter option with good power gains, the HKS HKS31019-AM008 EVO9 Silent Hi-Power CT9A 4G63 Exhaust is a solid choice. However, be prepared for the higher cost and potential installation complications. If you are on a tighter budget or are not concerned about noise levels, there may be other aftermarket exhaust options that better suit your needs.

part # hks31019-am008 prices

• $1253.16-$1350.00

specifications frazzlekits:

• brand: Hks
• manufacturer part number: HKS31019-AM008
• type: Cat Back Exhaust Kit
• features: Cat Back, 100 Accuracy Of Fit
• mounting style: Bolt-on
• performance part: Yes

returns frazzlekits:

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

offer frazzlekits:

• availability: In Stock
• quantity: 7
• started: January 17, 2026
• sold: 0
• options: Ship-to-home

general frazzlekits:

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

payments frazzlekits:

• other
• credit card: Visa
• wallet: Paypal

shipping frazzlekits:

• carrier: UPS
• type: Fixed
• cost: $0.00
• service: UPS Ground
• transit: 5-9 Days
• class: Standard

seller frazzlekits:

• # reviews: 406
• rating: 100.0%

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