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The Subaru WRX and STI have long been favorites among car enthusiasts, particularly those who appreciate performance upgrades. With the introduction of the FA24 engine, both models have seen significant enhancements. This article will compare the power gains from upgrades provided by APS and TurboSmart for the Subaru WRX and STI.
Understanding the FA24 Engine
The FA24 engine is a turbocharged flat-four engine that delivers impressive performance and efficiency. It is essential to understand the specifications of this engine before diving into the upgrades.
- Engine Type: 2.4L Turbocharged Flat-Four
- Power Output: Up to 271 hp in stock form
- Torque: 258 lb-ft
Upgrades from APS
APS (Advanced Power Solutions) offers a range of performance upgrades specifically designed for the FA24 engine. These upgrades are aimed at enhancing both horsepower and torque.
- High-Performance Turbocharger
- Upgraded Intercooler
- ECU Tuning
Power Gains from APS Upgrades
After installing APS upgrades, both the WRX and STI experience notable power gains. The following are the estimated gains:
- Subaru WRX: +50 hp and +75 lb-ft torque
- Subaru STI: +60 hp and +80 lb-ft torque
Upgrades from TurboSmart
TurboSmart is known for its high-quality performance parts, especially in the realm of turbocharging. Their upgrades for the FA24 engine focus on maximizing boost and efficiency.
- Adjustable Wastegate Actuator
- High-Flow Blow-Off Valve
- Boost Control Solenoid
Power Gains from TurboSmart Upgrades
TurboSmart upgrades also lead to impressive power gains for both models. The estimated gains are as follows:
- Subaru WRX: +45 hp and +70 lb-ft torque
- Subaru STI: +55 hp and +75 lb-ft torque
Comparative Analysis of Power Gains
When comparing the power gains from APS and TurboSmart, it’s clear that both brands provide substantial improvements. However, there are differences worth noting.
- APS offers higher torque gains, making it ideal for those seeking immediate throttle response.
- TurboSmart provides a balanced approach, enhancing both power and drivability.
Conclusion
In conclusion, both the Subaru WRX and STI can benefit significantly from upgrades by APS and TurboSmart. The choice ultimately depends on the driver’s preferences regarding power delivery and driving style. With the FA24 engine, enthusiasts can look forward to an exhilarating driving experience with either upgrade path.