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The Subaru BRZ and Toyota 86, equipped with the FA20 engine, have gained a reputation for their lightweight design and agile handling. However, many enthusiasts seek to increase the power output from the factory-rated 200 horsepower to an impressive 300 horsepower. This article will explore the methods, costs, parts, and results associated with boosting your BRZ FA20 power.
Understanding the FA20 Engine
The FA20 engine is a naturally aspirated, flat-four engine that delivers a balanced performance. Understanding its components is crucial for planning any modifications. Key features include:
- 2.0-liter displacement
- Direct fuel injection
- Lightweight Boxer engine design
Initial Modifications
Before diving into high-powered upgrades, it’s essential to start with basic modifications that can enhance performance without excessive costs. These initial upgrades can lay the groundwork for future enhancements.
- Cold Air Intake: Improves airflow to the engine.
- Cat-Back Exhaust System: Enhances exhaust flow and sound.
- ECU Tune: Optimizes engine performance and fuel mapping.
Boosting Power with Forced Induction
To achieve the 300 horsepower goal, forced induction is a popular method. This typically involves adding a turbocharger or supercharger. Each option has its advantages and considerations.
Turbocharger Kits
Turbocharging is a common route for power enthusiasts. Turbo kits can significantly increase horsepower and torque. Key components of a turbo kit include:
- Turbocharger
- Intercooler
- Oil and coolant lines
- Upgraded fuel injectors
- ECU reflash or standalone management
Supercharger Kits
Superchargers provide immediate power delivery and can be easier to install compared to turbo kits. Components typically include:
- Supercharger unit
- Mounting brackets
- Drive belt and pulleys
- Upgraded fuel system
- ECU tuning
Cost Considerations
Budgeting for these modifications is critical. Costs can vary widely based on parts, labor, and the extent of upgrades. Here’s a breakdown of potential costs:
- Cold Air Intake: $200 – $500
- Cat-Back Exhaust: $500 – $1,500
- ECU Tune: $300 – $1,000
- Turbo Kit: $3,000 – $7,000
- Supercharger Kit: $4,000 – $8,000
- Labor Costs: $1,000 – $3,000 depending on complexity
Expected Results
With proper modifications, achieving 300 horsepower is realistic. However, results may vary based on tuning, installation quality, and supporting modifications. Here’s what to expect:
- Turbocharged BRZ: 280 – 320 horsepower
- Supercharged BRZ: 250 – 300 horsepower
- Improved torque: Noticeable gains in low-end and mid-range power
Conclusion
Boosting your BRZ FA20 power from 200 to 300 horsepower is an achievable goal with the right modifications and investments. Starting with basic upgrades and progressing to forced induction can provide a thrilling driving experience. Always consider professional installation and tuning to ensure optimal performance and reliability.