Table of Contents
The GR86 has quickly become a favorite among enthusiasts looking for a balance of performance and everyday usability. One of the most popular upgrades for this vehicle is the Tomei Expreme Exhaust System. In this article, we will explore the performance gains from this exhaust system, backed by dyno results and a thorough sound analysis.
Understanding the Tomei Expreme Exhaust System
The Tomei Expreme Exhaust System is designed to enhance the performance of the GR86 by improving exhaust flow, reducing back pressure, and providing a more aggressive sound profile. The system is made from high-quality materials, ensuring durability and longevity.
- Lightweight construction for improved performance
- Mandrel-bent piping for optimal exhaust flow
- Designed for a deep, aggressive sound
Dyno Results: Performance Gains
To quantify the performance gains from the Tomei Expreme Exhaust System, we conducted a series of dyno tests. The results were impressive, showcasing significant improvements in both horsepower and torque.
Baseline Dyno Results
Before installing the Tomei exhaust, the GR86 was tested on a dyno to establish baseline performance metrics. The results were as follows:
- Horsepower: 200 hp
- Torque: 150 lb-ft
Post-Installation Dyno Results
After the installation of the Tomei Expreme Exhaust System, the GR86 underwent another round of dyno testing. The results showed a noticeable increase in both horsepower and torque:
- Horsepower: 220 hp
- Torque: 160 lb-ft
Performance Gains Summary
The performance gains from the Tomei Expreme Exhaust System were quantified as follows:
- Horsepower Increase: 20 hp
- Torque Increase: 10 lb-ft
Sound Analysis of the Tomei Expreme Exhaust System
In addition to performance gains, the sound produced by the Tomei Expreme Exhaust System is a critical factor for many enthusiasts. The sound profile was analyzed both in terms of decibel levels and the overall tone.
Sound Level Measurements
Sound level measurements were taken at idle, mid-range RPMs, and full throttle. The results were as follows:
- Idle: 75 dB
- Mid-range RPMs: 85 dB
- Full Throttle: 95 dB
Sound Quality Analysis
The sound quality of the Tomei Expreme Exhaust System was noted for its deep, aggressive tone. Unlike some aftermarket exhausts that produce a raspy sound, the Tomei system offers a smooth, throaty growl that enhances the driving experience.
Conclusion
Overall, the Tomei Expreme Exhaust System provides significant performance gains for the GR86, as evidenced by the dyno results. Additionally, the sound produced by this exhaust system adds to the enjoyment of driving the vehicle. For enthusiasts looking to enhance their GR86, the Tomei Expreme Exhaust System is a worthwhile investment.