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Installing a performance intake on your Lexus IS can significantly enhance the vehicle’s performance and driving experience. This guide will walk you through the step-by-step process of installing both Milltek and Injen intake kits. Whether you’re a seasoned mechanic or a DIY enthusiast, you’ll find this installation straightforward.
Tools and Materials Needed
- Socket set
- Wrench set
- Screwdriver set
- Torque wrench
- Performance intake kit (Milltek or Injen)
- Rubber gloves
- Shop towels
- Zip ties (if necessary)
Preparation
Before starting the installation, ensure your vehicle is parked on a flat surface, and the engine is cool. Gather all the necessary tools and materials, and wear rubber gloves to keep everything clean.
Removing the Stock Intake
Follow these steps to remove the stock intake:
- Open the hood and locate the stock air intake system.
- Disconnect the negative battery terminal to prevent any electrical issues.
- Remove any air ducting connected to the intake.
- Unbolt the intake from the engine using the socket set.
- Carefully lift the stock intake out of the engine bay.
Installing the Milltek Intake Kit
Follow these steps to install the Milltek intake:
- Place the Milltek intake in the engine bay where the stock intake was located.
- Align the intake with the mounting points and secure it using the provided bolts.
- Reconnect the air ducting to ensure proper airflow.
- Reconnect the negative battery terminal.
- Start the engine and check for any unusual noises or issues.
Installing the Injen Intake Kit
If you choose to install the Injen intake, follow these steps:
- Take the Injen intake out of the box and inspect all parts.
- Position the Injen intake in place of the stock intake.
- Secure the intake using the bolts provided in the kit.
- Reconnect any air ducting to ensure a tight fit.
- Reconnect the negative battery terminal.
- Start the engine and listen for any irregular sounds.
Final Checks and Testing
After installing either intake, perform the following checks:
- Inspect all connections to ensure they are tight and secure.
- Check for any air leaks around the intake.
- Take the vehicle for a test drive to assess performance improvements.
- Monitor engine behavior for a few days to ensure everything is functioning correctly.
Conclusion
Installing a performance intake on your Lexus IS can be a rewarding project that enhances engine performance and sound. Whether you choose the Milltek or Injen kit, following these steps will help ensure a successful installation. Enjoy your upgraded driving experience!