
( Brand: Agency Power ), ( Part Type: Exhaust ), ( Manufacturer Part Number: 991GT3-170P )
Review AGENCY POWER Valvetronic Exhaust Porsche 991 Gt3/rs fits GT3 RS 2014–2019
The Agency Power 991.1 GT3-170P Valvetronic Exhaust System is an exceptional upgrade for Porsche 991 GT3 and GT3 RS models produced between 2014 and 19. This exhaust system, designed and manufactured in the USA, is renowned for its unique design, superior performance, and unmistakable sound.
The 991.1 GT3-170P Valvetronic Exhaust System is engineered to replace the original factory exhaust, offering a significant power gain and an exhilarating exhaust note. This system utilizes a 76mm titanium exhaust tip that is center-exited to provide an optimal balance of power and aesthetics.
One of the most distinctive features of this exhaust system is the Agency Power Valvetronic technology. This innovative design allows the driver to switch between a quieter, more subdued exhaust note for daily driving and a more aggressive, throaty sound for track use. The valves can be controlled manually using the provided remote, or automatically using the engine's RPM.
The exhaust system is constructed from high-quality, lightweight materials, including titanium and stainless steel. This reduces the overall weight of the exhaust system, resulting in improved performance and a more responsive driving experience. The system also includes high-flow catalytic converters to ensure that it meets emissions regulations while still providing optimal exhaust flow.
The 991.1 GT3-170P Valvetronic Exhaust System is designed to fit seamlessly into the factory exhaust system, requiring no modifications to the engine bay or undercarriage. It is also backed by a one-year limited warranty, offering peace of mind to the discerning Porsche owner.
In summary, the Agency Power 991.1 GT3-170P Valvetronic Exhaust System is a must-have upgrade for any Porsche 991 GT3 or GT3 RS owner. With its unique design, superior performance, and adjustable exhaust note, it is sure to elevate the driving experience of this already remarkable sports car.
The Agency Power 991.1 GT3-170P Valvetronic Exhaust system is a performance upgrade for Porsche 991 GT3 and GT3 RS models produced between 2014 and 2019. This exhaust system is designed to enhance the vehicle's power output, improve its sound, and provide better driving dynamics. In this analysis, I will outline the key pros and cons of investing in this exhaust system.
Pros:1. Power enhancement: The Agency Power Valvetronic Exhaust system is engineered to increase power output. The system uses a 2.5-inch diameter piping and a high-flow catalytic converter, which results in improved airflow and increased horsepower and torque.
2. Enhanced exhaust sound: The Valvetronic Exhaust system features a fully adjustable exhaust valve system that provides the driver with the ability to control the exhaust sound. This feature allows the driver to tailor the exhaust note to their preference, ranging from a subtle tone to a more aggressive and loud exhaust note.
3. Weight reduction: The exhaust system is made using lightweight materials, such as titanium and T304 stainless steel. This reduction in weight contributes to improved vehicle performance by reducing the overall weight of the exhaust system.
4. Improved driving dynamics: The Agency Power Valvetronic Exhaust system offers a more responsive and dynamic driving experience. The improved exhaust flow and reduced backpressure lead to quicker throttle response and better acceleration.
5. High-quality construction: The exhaust system is manufactured using premium materials and advanced manufacturing techniques. The TIG-welded joints ensure a strong and durable connection, while the polished finish provides a visually appealing appearance.
Cons:1. Cost: The Agency Power Valvetronic Exhaust system is a premium performance upgrade and comes with a corresponding price tag. The cost of the exhaust system may be a significant investment for some enthusiasts.
2. Complex installation: The installation of the exhaust system requires a fair amount of expertise and experience. It is recommended that the installation be performed by a professional to ensure proper fitment and function.
3. Loud exhaust note: While the adjustable exhaust valve system allows the driver to control the exhaust sound, the exhaust note can be quite loud when set to its most aggressive setting. This may not be suitable for those who prefer a more subtle exhaust note or who live in areas with strict noise regulations.
Conclusion:The Agency Power 991.1 GT3-170P Valvetronic Exhaust system offers several advantages for Porsche 991 GT3 and GT3 RS owners, including power enhancement, improved exhaust sound, weight reduction, and enhanced driving dynamics. However, the system comes with a significant investment and requires a complex installation process. Ultimately, the decision to invest in this exhaust system depends on the individual's priorities and preferences. For those who value increased power, improved exhaust sound, and a more responsive driving experience, the Agency Power Valvetronic Exhaust system is a worthwhile investment. For others, the cost and installation complexities may outweigh the benefits.
Recommendation:If you are considering purchasing the Agency Power 991.1 GT3-170P Valvetronic Exhaust system, it is recommended that you carefully weigh the pros and cons and consider your priorities and preferences. If you value power enhancement, improved exhaust sound, and a more responsive driving experience, then this exhaust system may be a worthwhile investment. However, if the cost and installation complexities are a concern, you may want to explore alternative performance upgrades that better suit your budget and skill level. Ultimately, it is essential to do your research and make an informed decision based on your individual needs and preferences.
specifications frazzlekits:
- for models: Gt3, Rs
- for makes: Porsche
- for years: 2014-2019
- brand: Agency Power
- part type: Exhaust
- manufacturer part number: 991GT3-170P
returns frazzlekits:
- policy: Returns Accepted
- time: 14 Days
- paid by: Buyer
offer frazzlekits:
- best offers: True
- options: Ship-to-home
- started: August 21, 2025
- availability: In Stock
- sold: 0
- quantity: 1
shipping frazzlekits:
- transit: 4-9 Days
- type: Fixed
- service: USPS Priority Mail
- class: Expedited
- cost: $0.00
- carrier: USPS
payments frazzlekits:
- wallet: Paypal
- credit card: Diners-club
- other
general frazzlekits:
- condition: New other see details
- Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
seller frazzlekits:
- rating: 98.0%
- # reviews: 1225
Agency Power 991GT3-170P Is Similar To:
- Agency Power Ap-brp-x3-170-blk Valvetronic Exhaust With Black Tips 2017 - 2025 Can-am Maverick X3 (49.4% similar) $1200.00–$1375.00. (November 25th, 2024)
