How to Install a 3 Inch Cat-back Exhaust on Your 1g Eclipse: Cost, Steps, and Performance Benefits

Installing a 3 inch cat-back exhaust on your 1G Eclipse can significantly enhance its performance and sound. This guide will walk you through the costs, steps, and benefits of this modification.

Understanding the Benefits of a Cat-Back Exhaust

A cat-back exhaust system replaces everything from the catalytic converter to the exhaust tip. Here are some key benefits:

  • Improved Performance: Increases horsepower and torque by reducing exhaust back pressure.
  • Enhanced Sound: Provides a deeper, more aggressive exhaust note.
  • Weight Reduction: Often lighter than stock exhaust systems.
  • Better Fuel Efficiency: Can lead to improved miles per gallon.

Cost of a 3 Inch Cat-Back Exhaust

The cost of a 3 inch cat-back exhaust for a 1G Eclipse can vary based on brand and materials. Here’s a breakdown of potential costs:

  • Budget Options: $200 – $400
  • Mid-Range Options: $400 – $700
  • High-End Options: $700 – $1,200
  • Installation Costs: $100 – $300 if professionally installed

Tools and Materials Needed

Before starting the installation, ensure you have the following tools and materials:

  • 3 inch cat-back exhaust system
  • Socket set
  • Wrenches
  • Jack and jack stands
  • Exhaust hanger removal tool
  • Safety glasses
  • Gloves

Step-by-Step Installation Guide

Step 1: Prepare Your Vehicle

Park your 1G Eclipse on a flat surface and engage the parking brake. Use the jack to lift the rear of the vehicle and secure it with jack stands.

Step 2: Remove the Stock Exhaust

Start by removing the stock exhaust system. Use a socket set to detach the bolts connecting the exhaust to the catalytic converter. Remove any exhaust hangers using the exhaust hanger removal tool.

Step 3: Install the New Cat-Back Exhaust

Begin by positioning the new cat-back exhaust system under the vehicle. Attach the exhaust to the catalytic converter using the provided clamps and bolts. Ensure the exhaust is aligned properly.

Step 4: Secure the Exhaust System

Once the exhaust is in place, secure it using the exhaust hangers. Make sure everything is tight and properly aligned to avoid any leaks.

Step 5: Lower the Vehicle

After ensuring everything is secured, carefully lower the vehicle back to the ground. Double-check all connections and fittings.

Post-Installation Tips

After installation, take your vehicle for a test drive to ensure everything is functioning correctly. Listen for any unusual sounds and check for leaks.

Conclusion

Installing a 3 inch cat-back exhaust on your 1G Eclipse is a rewarding modification that can enhance performance and sound. With the right tools and steps, you can achieve this upgrade in your own garage.