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The Subaru WRX is known for its impressive performance and tuning potential. One of the key upgrades that enthusiasts often consider is the throttle body. In this article, we will explore the installation of a Bolted Performance 78mm throttle body on a Subaru WRX, discussing the costs involved and the results you can expect.
Understanding Throttle Bodies
A throttle body is an essential component of your vehicle’s air intake system. It regulates the amount of air that enters the engine, influencing performance and efficiency. Upgrading to a larger throttle body, such as the 78mm option from Bolted Performance, can provide several benefits.
Benefits of Upgrading to a 78mm Throttle Body
- Increased Airflow: A larger throttle body allows for more air to enter the engine, which can lead to increased power output.
- Improved Throttle Response: Upgrading can enhance throttle response, making the vehicle feel more responsive during acceleration.
- Tuning Potential: A larger throttle body can complement other performance upgrades, allowing for more significant tuning adjustments.
Cost Breakdown
The cost of installing a Bolted Performance 78mm throttle body can vary based on several factors, including whether you choose to do it yourself or hire a professional. Here’s a breakdown of the typical costs involved:
- Throttle Body Cost: The Bolted Performance 78mm throttle body typically retails between $400 and $600.
- Installation Costs: If you opt for professional installation, expect to pay between $150 and $300, depending on labor rates in your area.
- Additional Parts: You may need extra components such as gaskets or hoses, which can add another $50 to $100.
Installation Process
Installing a throttle body on your Subaru WRX requires some mechanical knowledge. Below are the general steps involved in the installation process:
- Gather Tools: Ensure you have the necessary tools, including sockets, wrenches, and screwdrivers.
- Disconnect Battery: Always disconnect the battery before beginning any installation to avoid electrical issues.
- Remove Air Intake: Take off the air intake system to access the throttle body.
- Unbolt Throttle Body: Carefully unbolt the stock throttle body from the intake manifold.
- Install New Throttle Body: Position the Bolted Performance throttle body and bolt it into place, ensuring a secure fit.
- Reassemble Components: Reattach the air intake and any other components you removed during the process.
- Reconnect Battery: Finally, reconnect the battery and start the engine to check for proper operation.
Expected Results
After installing the Bolted Performance 78mm throttle body, many Subaru WRX owners report noticeable improvements in performance. Here are some expected results:
- Power Gains: Users often experience power increases in the range of 10-20 horsepower, depending on other modifications.
- Enhanced Throttle Sensitivity: The vehicle may feel more responsive, especially during acceleration and high RPMs.
- Better Engine Efficiency: Improved airflow can lead to better fuel efficiency under certain driving conditions.
Conclusion
Upgrading to a Bolted Performance 78mm throttle body can be a worthwhile investment for Subaru WRX enthusiasts looking to enhance their vehicle’s performance. While the costs can vary, the potential benefits in power and responsiveness make it an attractive option for many drivers. As always, ensure you follow proper installation procedures or consult a professional to achieve the best results.