Table of Contents
The Infiniti G37 is a performance-oriented vehicle that has garnered a loyal following among car enthusiasts. One of the most popular upgrades for this model is the JB4 Piggyback ECU, which promises to enhance the vehicle’s power significantly. In this article, we will explore how the JB4 Piggyback ECU boosts the power of the Infiniti G37 by 40 horsepower and the costs associated with this upgrade.
Understanding the JB4 Piggyback ECU
The JB4 Piggyback ECU is an aftermarket tuning solution designed to optimize the performance of the Infiniti G37. Unlike a standalone ECU, the JB4 works in conjunction with the factory ECU to modify engine parameters, improving power and efficiency.
How It Works
The JB4 Piggyback ECU intercepts signals from various sensors and modifies them before sending them to the factory ECU. This allows the JB4 to adjust fuel maps, ignition timing, and boost levels, resulting in increased horsepower and torque.
Performance Gains
One of the most compelling reasons to invest in the JB4 Piggyback ECU is the significant power increase it offers. Dyno tests have shown that users can expect an increase of up to 40 horsepower, depending on the vehicle’s configuration and supporting modifications.
Dyno-Test Results
In controlled dyno tests, vehicles equipped with the JB4 Piggyback ECU demonstrated impressive performance metrics. Here are some of the key findings:
- Baseline power output: 280 HP
- Post-installation power output: 320 HP
- Torque increase: Up to 30 lb-ft
Cost Analysis
The JB4 Piggyback ECU is competitively priced at approximately $700, making it an accessible option for G37 owners looking to enhance performance without breaking the bank. When considering the cost, it’s essential to factor in potential installation fees if you opt for professional help.
Installation Costs
Installation of the JB4 Piggyback ECU can vary based on whether you choose to do it yourself or hire a professional. Here’s a breakdown of the potential costs:
- DIY Installation: $0 (if you have the necessary tools and skills)
- Professional Installation: $100 – $200
Benefits of the JB4 Piggyback ECU
Investing in the JB4 Piggyback ECU comes with several benefits that extend beyond just horsepower gains. Here are some notable advantages:
- Improved Throttle Response: The JB4 enhances throttle response, making the vehicle feel more agile.
- Better Fuel Efficiency: With optimized tuning, some users report improved fuel efficiency.
- Customizable Settings: The JB4 allows users to adjust settings based on driving conditions or preferences.
Potential Drawbacks
While the JB4 Piggyback ECU offers many benefits, it’s essential to consider potential drawbacks. Here are a few:
- Warranty Concerns: Installing a piggyback ECU may void the manufacturer’s warranty.
- Complexity: Some users may find the installation and tuning process complex.
- Dependence on Factory ECU: Performance gains may be limited by the factory ECU’s capabilities.
Conclusion
The JB4 Piggyback ECU is a powerful upgrade for the Infiniti G37, offering significant performance gains at a reasonable price. With the potential for a 40 horsepower increase, improved throttle response, and customizable settings, it’s a compelling option for enthusiasts looking to enhance their driving experience. However, it’s crucial to weigh the benefits against potential drawbacks, particularly regarding warranty implications and installation complexity.