Best Budget Throttle Body Upgrades Under $300: Gain 12 Hp on Subaru Wrx

The Subaru WRX is a beloved model among car enthusiasts, known for its performance and tuning potential. One area where many owners look to enhance their vehicle’s performance is the throttle body. Upgrading the throttle body can result in improved airflow, better throttle response, and increased horsepower. In this article, we will explore the best budget throttle body upgrades available for under $300 that can help you gain up to 12 horsepower on your Subaru WRX.

Understanding Throttle Body Upgrades

The throttle body is a crucial component of your vehicle’s air intake system. It controls the amount of air that enters the engine, which directly affects performance. Upgrading to a larger or more efficient throttle body can help improve engine efficiency and power output. Here are some key benefits of throttle body upgrades:

  • Increased airflow for better combustion
  • Improved throttle response
  • Potential for increased horsepower and torque
  • Enhanced engine sound

Factors to Consider When Upgrading

Before purchasing a throttle body upgrade, consider the following factors to ensure you make the best choice for your Subaru WRX:

  • Compatibility: Ensure the throttle body is compatible with your specific WRX model year.
  • Material: Look for durable materials that can withstand high temperatures and pressures.
  • Installation: Check if the upgrade requires professional installation or if it’s a DIY project.
  • Brand reputation: Research brands and read reviews to find reliable products.

Top Throttle Body Upgrades Under $300

Here are some of the best throttle body upgrades you can find for your Subaru WRX, all priced under $300:

1. Tomei 70mm Throttle Body

The Tomei 70mm throttle body is a popular choice among WRX enthusiasts. It offers a significant increase in airflow compared to the stock throttle body, resulting in improved throttle response and power. This upgrade is designed for easy installation and is made from high-quality materials.

2. Grimmspeed 75mm Throttle Body Spacer

The Grimmspeed throttle body spacer not only increases airflow but also enhances the overall performance of your WRX. The 75mm size provides a noticeable improvement in horsepower and torque. Installation is straightforward, making it an excellent option for DIY enthusiasts.

3. AEM 21-760C Cold Air Intake System

While primarily an intake system, the AEM cold air intake is designed to work seamlessly with your throttle body. It increases airflow to the engine and can lead to a significant power boost. This system is well-regarded for its quality and performance enhancements.

4. Mishimoto 76mm Throttle Body

The Mishimoto 76mm throttle body is engineered for performance and durability. It features a larger diameter for increased airflow and is designed to fit perfectly with the WRX engine. This upgrade can help you achieve that extra horsepower you’re looking for.

5. Raptor Engineering Throttle Body Upgrade

The Raptor Engineering throttle body upgrade is a cost-effective solution for those looking to enhance their WRX’s performance. It offers a great balance of price and performance, making it a favorite among budget-conscious enthusiasts.

Installation Tips

Installing a throttle body upgrade can be a rewarding DIY project. Here are some tips to help you through the process:

  • Gather tools: Ensure you have all necessary tools before starting the installation.
  • Follow instructions: Carefully read the manufacturer’s installation instructions.
  • Check for leaks: After installation, inspect for any air leaks or loose connections.
  • Test drive: Take your WRX for a test drive to feel the improvements in performance.

Conclusion

Upgrading the throttle body on your Subaru WRX can lead to significant performance gains, especially when done within a budget. With options available for under $300, you can achieve up to 12 additional horsepower and enhance your driving experience. Remember to consider compatibility and installation ease when selecting the right throttle body upgrade for your vehicle.