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The GR86 has taken the automotive world by storm, with its lightweight design and sporty performance. One of the most popular modifications among enthusiasts is upgrading the exhaust system. In this article, we will explore the dyno tests of two leading exhaust systems for the GR86: MagnaFlow and Invidia. Our goal is to determine which exhaust system offers better power gains.
Understanding the Importance of Exhaust Systems
An exhaust system plays a critical role in a vehicle’s performance. It helps to expel gases from the engine, reduces back pressure, and can enhance the overall sound of the car. When upgrading an exhaust system, enthusiasts often seek improvements in horsepower and torque, as well as a more aggressive exhaust note.
Overview of the Exhaust Systems
MagnaFlow Exhaust System
The MagnaFlow exhaust system is known for its high-quality construction and performance-oriented design. It features mandrel-bent tubing and a straight-through muffler design, which helps to minimize restrictions and improve exhaust flow. This system is designed to provide a deep, aggressive sound while maintaining a smooth and efficient flow of exhaust gases.
Invidia Exhaust System
Invidia is another well-respected brand in the aftermarket exhaust market. Their exhaust systems are engineered to provide optimal performance and a distinctive sound. The Invidia exhaust system typically includes a high-flow cat-back design with a combination of resonated and non-resonated options, allowing for customization based on personal preference.
Dyno Testing Methodology
To accurately compare the power gains from each exhaust system, we conducted a series of dyno tests under controlled conditions. The testing process involved the following steps:
- Baseline dyno run with the stock exhaust system.
- Installation of the MagnaFlow exhaust system followed by a dyno run.
- Installation of the Invidia exhaust system followed by a dyno run.
- Comparison of horsepower and torque gains for both systems.
Results of the Dyno Tests
The results of our dyno tests revealed interesting findings regarding the power gains from both exhaust systems. Below are the key results:
- Stock Exhaust: 200 horsepower and 150 lb-ft of torque.
- MagnaFlow Exhaust: 215 horsepower and 160 lb-ft of torque.
- Invidia Exhaust: 210 horsepower and 155 lb-ft of torque.
Analysis of the Results
From the dyno results, it is clear that both exhaust systems provide noticeable power gains over the stock exhaust. The MagnaFlow system outperformed the Invidia system in terms of horsepower and torque, making it the better choice for those seeking maximum power gains.
However, the Invidia exhaust system still offers a respectable increase in power and may appeal to those who prioritize sound and aesthetics over maximum performance.
Sound Comparison
Another crucial aspect to consider when choosing an exhaust system is the sound it produces. The MagnaFlow exhaust is known for its deep, throaty growl, while the Invidia exhaust has a more aggressive, raspy tone. Personal preference plays a significant role in this decision, as some drivers may prefer one sound over the other.
Installation and Fitment
Both the MagnaFlow and Invidia exhaust systems are designed for easy installation. They come with all necessary hardware and instructions. However, slight variations in fitment may occur depending on the specific model year of the GR86, so it is essential to confirm compatibility before purchasing.
Pricing and Value
Pricing is another factor to consider when choosing between the two exhaust systems. Typically, the MagnaFlow exhaust system is priced slightly higher than the Invidia system. However, the performance gains and build quality of the MagnaFlow may justify the additional cost for some buyers.
Conclusion
In conclusion, both the MagnaFlow and Invidia exhaust systems offer significant improvements over the stock exhaust system of the GR86. The MagnaFlow exhaust system provides better power gains, while the Invidia exhaust system offers a unique sound that may appeal to different preferences. Ultimately, the choice between the two will depend on individual priorities such as performance, sound, and budget.
For enthusiasts looking to enhance their GR86’s performance, either exhaust system will provide a noticeable upgrade, but the MagnaFlow stands out as the more powerful option based on our dyno tests.