Installing the Cobb Tuning Cat-back Exhaust on Your Wrx: a Complete Diy Guide

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If you’re a Subaru WRX owner looking to enhance your vehicle’s performance and sound, installing the Cobb Tuning Cat-back Exhaust is an excellent choice. This guide will walk you through the entire process, ensuring you can complete the installation yourself.

What You Need to Get Started

Before starting the installation, gather the necessary tools and materials. Here’s a checklist of what you’ll need:

  • Cobb Tuning Cat-back Exhaust System
  • Socket set (including 14mm and 17mm sockets)
  • Ratchet and extensions
  • Torque wrench
  • Jack and jack stands
  • Safety glasses
  • Gloves
  • Penetrating oil (optional)
  • Heat-resistant anti-seize compound

Step-by-Step Installation Process

Step 1: Prepare Your Vehicle

Start by parking your WRX on a level surface. Engage the parking brake and put on your safety glasses and gloves. Use a jack to lift the rear of the vehicle and secure it with jack stands.

Step 2: Remove the Stock Exhaust

Locate the stock exhaust system. It is typically held in place by bolts and hangers. Use penetrating oil to loosen any rusted bolts, if necessary. Follow these sub-steps:

  • Remove the bolts connecting the exhaust to the downpipe.
  • Unclip the hangers holding the exhaust in place. You may need a hanger removal tool for this.
  • Carefully slide the stock exhaust out from under the vehicle.

Step 3: Install the Cobb Tuning Cat-back Exhaust

With the stock exhaust removed, it’s time to install your new Cobb Tuning Cat-back Exhaust. Follow these steps:

  • Position the new exhaust under the vehicle, aligning it with the hangers.
  • Attach the exhaust to the downpipe using the provided bolts. Ensure the connection is secure.
  • Slide the exhaust hangers into place and ensure they are seated properly.
  • Use a torque wrench to tighten all bolts to the manufacturer’s specifications.

Step 4: Check for Proper Fitment

After installation, double-check that the exhaust is properly aligned and that there are no gaps or loose connections. Make adjustments as needed to ensure a snug fit.

Final Steps

Once you have confirmed that everything is securely in place, lower your vehicle back to the ground. Start the engine and listen for any unusual noises that might indicate a leak or improper installation.

Maintenance Tips

To ensure your Cobb Tuning Cat-back Exhaust lasts and performs well, consider the following maintenance tips:

  • Regularly check for any loose bolts or hangers.
  • Inspect for rust or damage, especially in winter months.
  • Clean the exhaust tips to maintain a polished look.
  • Consider using heat-resistant anti-seize compound on bolts during installation.

Conclusion

Installing the Cobb Tuning Cat-back Exhaust on your WRX is a rewarding DIY project that can significantly enhance your vehicle’s performance and sound. With the right tools and following this guide, you can achieve professional results right in your garage.