Table of Contents
Installing a Milltek Sport Cat-back exhaust on your B9 S4 can significantly enhance its performance and sound. This step-by-step guide will help you through the installation process, ensuring you achieve the best results.
Tools and Materials Needed
- Milltek Sport Cat-back Exhaust Kit
- Socket Set
- Torque Wrench
- Jack and Jack Stands
- Safety Glasses
- Gloves
- WD-40 or Penetrating Oil
Before starting, ensure you have all the necessary tools and materials ready. This will make the installation process smoother and more efficient.
Preparation
Begin by preparing your workspace. Make sure the area is clean and well-lit. It’s also essential to wear safety glasses and gloves for protection.
Lift the Vehicle
Using a jack, lift the front of your B9 S4 and secure it with jack stands. Ensure the vehicle is stable before proceeding with the installation.
Removing the Stock Exhaust
To install the Milltek exhaust, you first need to remove the stock exhaust. Start by spraying the exhaust hangers with WD-40 or penetrating oil to make removal easier.
Disconnecting the Exhaust
Locate the clamps and bolts securing the stock exhaust to the exhaust manifold and mid-pipes. Use your socket set to remove these fasteners. Keep them in a safe place for later use.
Removing the Hangers
Carefully remove the exhaust hangers from their mounting points. You may need to use a pry bar or a similar tool to help dislodge them. Once all hangers are free, gently lower the stock exhaust and remove it from the vehicle.
Installing the Milltek Sport Exhaust
With the stock exhaust removed, it’s time to install the Milltek Sport Cat-back exhaust. Begin by positioning the new exhaust components under the vehicle.
Connecting the Exhaust Sections
Align the Milltek exhaust sections with the mounting points and slide them into place. Ensure that the exhaust tips are centered and properly positioned.
Securing the Exhaust
Using the original bolts and clamps, secure the Milltek exhaust to the exhaust manifold and mid-pipes. Make sure to tighten them evenly to avoid any leaks.
Reinstalling the Hangers
Reattach the exhaust hangers to their respective mounting points. Ensure that they are securely fastened and that the exhaust is properly supported.
Final Adjustments
Once the Milltek exhaust is installed, double-check all connections and fasteners. It’s crucial to ensure everything is tight and secure before lowering the vehicle.
Lowering the Vehicle
Carefully remove the jack stands and lower the vehicle back to the ground. Make sure to inspect the exhaust alignment once the car is back on the ground.
Testing the Exhaust
Start your engine and let it idle for a few minutes. Listen for any unusual noises or leaks. If everything sounds good, take your B9 S4 for a test drive.
Conclusion
Installing a Milltek Sport Cat-back exhaust on your B9 S4 can greatly enhance your driving experience. By following this step-by-step guide, you can complete the installation with confidence and enjoy the improved performance and sound of your vehicle.