Installing a Grimmspeed Cold Air Intake on the Fa20: Boosting Performance & Sound

The FA20 engine, found in various Subaru models, is known for its performance potential. One of the most effective upgrades for enhancing both performance and sound is the installation of a GrimmSpeed Cold Air Intake. This article will guide you through the installation process, the benefits of upgrading, and some tips for maintaining your new intake system.

Why Choose a GrimmSpeed Cold Air Intake?

GrimmSpeed has earned a reputation for producing high-quality performance parts. Their cold air intake systems are designed to optimize airflow, improve throttle response, and enhance the overall driving experience. Here are some reasons to consider this upgrade:

  • Increased Airflow: The GrimmSpeed intake system allows for greater airflow compared to the stock intake, leading to improved performance.
  • Enhanced Sound: Enjoy a more aggressive engine sound that enhances the driving experience.
  • Easy Installation: Designed for a straightforward installation process, making it accessible for DIY enthusiasts.
  • Durability: Built with high-quality materials to withstand harsh conditions.

Tools Required for Installation

Before starting the installation, gather the necessary tools to ensure a smooth process. Here’s a list of what you will need:

  • Socket set
  • Ratchet
  • Torque wrench
  • Phillips and flathead screwdrivers
  • Pliers
  • Shop towels
  • Optional: a heat shield for added protection

Step-by-Step Installation Guide

1. Prepare the Vehicle

Start by ensuring the vehicle is parked on a level surface and the engine is cool. Disconnect the negative battery terminal to avoid any electrical issues during installation.

2. Remove the Stock Intake System

Begin by removing the stock air intake system. This usually involves:

  • Loosening the hose clamps that connect the intake to the throttle body and airbox.
  • Disconnecting any sensors or hoses attached to the stock intake.
  • Removing the intake from the engine bay.

3. Install the GrimmSpeed Cold Air Intake

With the stock intake removed, it’s time to install the GrimmSpeed Cold Air Intake. Follow these steps:

  • Position the new intake in place, ensuring it fits securely.
  • Reconnect any sensors or hoses that were disconnected during removal.
  • Tighten the hose clamps to secure the intake to the throttle body and airbox.

4. Reconnect the Battery

After the intake is securely installed, reconnect the negative battery terminal. Ensure all connections are tight and there are no loose wires.

5. Test the Installation

Start the engine and let it idle for a few moments. Listen for any unusual sounds and ensure that the intake is functioning correctly. Take the vehicle for a test drive to experience the improved performance and sound.

Benefits of a Cold Air Intake

Upgrading to a cold air intake can provide several advantages, including:

  • Improved Horsepower: Increased airflow can lead to more horsepower and torque.
  • Better Fuel Efficiency: A more efficient air intake can help improve fuel economy.
  • Enhanced Throttle Response: Quicker throttle response makes for a more enjoyable driving experience.
  • Customization Options: Many cold air intakes offer customization options for aesthetics and performance.

Maintenance Tips

To keep your GrimmSpeed Cold Air Intake functioning optimally, consider the following maintenance tips:

  • Regular Cleaning: Clean the air filter regularly to ensure optimal airflow.
  • Check for Leaks: Inspect the intake system for any signs of leaks or loose connections.
  • Monitor Performance: Pay attention to any changes in performance and address them promptly.

Conclusion

Installing a GrimmSpeed Cold Air Intake on your FA20 engine is a straightforward process that can significantly enhance your vehicle’s performance and sound. With the right tools and a little patience, you can enjoy the benefits of increased horsepower, improved throttle response, and a more aggressive engine note. Remember to maintain your intake system to ensure it continues to perform at its best.