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The Subaru WRX has long been a favorite among car enthusiasts, combining all-wheel drive performance with turbocharged power. The VB WRX, in particular, offers a solid platform for those looking to boost their horsepower. In this article, we will explore the best intake and turbo upgrades that can help you achieve over 350 horsepower.
Understanding the VB WRX Platform
The VB WRX, produced from 2015 to 2021, features a robust 2.0L turbocharged flat-four engine. This engine is known for its tuning potential, making it a popular choice for performance upgrades. Before diving into upgrades, it’s essential to understand the basics of the engine and its components.
Key Features of the VB WRX Engine
- 2.0L turbocharged flat-four engine
- All-wheel drive system
- Direct fuel injection
- Variable valve timing
Intake Upgrades for Enhanced Performance
Upgrading the intake system is one of the first steps to increasing power in your VB WRX. A high-flow intake can improve airflow, resulting in better throttle response and increased horsepower.
Top Intake Options
- COBB Tuning SF Intake: This intake is designed for maximum airflow and is compatible with COBB’s Accessport for easy tuning.
- K&N Typhoon Intake: Known for its high-flow design, this intake improves performance while maintaining filtration efficiency.
- AEM Cold Air Intake: A cold air intake system that draws in cooler air for improved combustion and power.
Turbocharger Upgrades for Maximum Power
After upgrading the intake, the next logical step is to enhance the turbocharger. A larger turbo can significantly increase horsepower and torque, pushing your VB WRX beyond the 350 hp mark.
Recommended Turbo Upgrades
- Garrett GTX2867R Turbo: A popular choice for those looking to achieve high horsepower numbers with quick spool times.
- Blouch 1.5XTR Turbo: Known for its reliability and power output, this turbo can easily support 400+ hp with the right supporting mods.
- FP Green Turbo: A well-balanced turbo that offers excellent power and response, making it a favorite among WRX enthusiasts.
Supporting Modifications
To fully realize the potential of your intake and turbo upgrades, several supporting modifications are necessary. These upgrades ensure that your engine can handle the increased power and maintain reliability.
Essential Supporting Mods
- Upgraded Fuel Pump: A high-flow fuel pump is crucial for delivering enough fuel to support increased horsepower.
- Aftermarket Intercooler: A larger intercooler helps keep intake temperatures low, improving performance and preventing knock.
- Exhaust System Upgrade: A high-flow exhaust system reduces back pressure, allowing for better turbo performance.
- ECU Tuning: Proper tuning is essential to maximize the benefits of your upgrades and ensure engine safety.
Tuning Your VB WRX
Once you have completed your upgrades, tuning your VB WRX is critical to achieving optimal performance. A professional tune will ensure that your engine runs efficiently and safely, maximizing the benefits of your new intake and turbo setup.
Choosing a Tuner
Selecting the right tuner can make a significant difference in your vehicle’s performance. Look for tuners with experience in WRX builds and positive reviews from other enthusiasts.
Conclusion
Boosting the power of your VB WRX to over 350 hp is an achievable goal with the right intake and turbo upgrades. By carefully selecting your components and ensuring proper tuning, you can enjoy an exhilarating driving experience that showcases the true potential of your Subaru.