Table of Contents
Welcome to our comprehensive walkthrough of the APR Stage 2 Kit installation for the B9 S4. This guide will provide step-by-step instructions to help you successfully install the performance kit and enhance your vehicle’s performance.
Overview of the APR Stage 2 Kit
The APR Stage 2 Kit is designed to significantly improve the performance of your B9 S4. This kit includes various components that work together to increase horsepower, torque, and overall driving experience.
Required Tools and Materials
- Socket set
- Torque wrench
- Flathead screwdriver
- Phillips screwdriver
- Ratchet
- Performance air filter
- High-flow exhaust system
- ECU tuning software
Step-by-Step Installation Guide
Step 1: Preparation
Before starting the installation, ensure that your vehicle is parked on a flat surface and the engine is cool. Gather all necessary tools and materials.
Step 2: Remove the Engine Cover
Using a socket set, carefully remove the screws securing the engine cover. Gently lift the cover off and set it aside.
Step 3: Install the Performance Air Filter
Locate the air intake system. Remove the factory air filter and replace it with the performance air filter included in the APR Stage 2 Kit. Ensure it is secured properly.
Step 4: Install the High-Flow Exhaust System
Next, remove the factory exhaust system. Follow the manufacturer’s instructions for your specific model. Once removed, install the high-flow exhaust system, ensuring all connections are tight.
Step 5: ECU Tuning
Connect your vehicle to a diagnostic tool and upload the APR Stage 2 ECU tune. Follow the on-screen instructions carefully to complete the process.
Step 6: Reinstall the Engine Cover
Once all components are installed, carefully place the engine cover back on. Secure it with the screws you removed earlier.
Post-Installation Checks
After installation, it is crucial to perform a series of checks to ensure everything is functioning correctly. Here are some important checks to consider:
- Check for any leaks in the exhaust system.
- Ensure the air filter is properly seated.
- Verify that all connections are secure.
- Run a diagnostic check to confirm the ECU is functioning correctly.
Conclusion
The APR Stage 2 Kit installation for the B9 S4 can significantly enhance your vehicle’s performance. By following this complete walkthrough, you can ensure a successful installation and enjoy the benefits of increased horsepower and torque.
Always remember to consult with a professional mechanic if you are unsure about any steps in the installation process. Happy driving!