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The AMC Javelin is a classic American muscle car that has captured the hearts of enthusiasts for decades. One popular upgrade for this iconic vehicle is the installation of a Thorley Headers Kit. This modification not only enhances performance but also brings a unique sound to the engine. In this article, we’ll explore the costs associated with this upgrade and the performance gains you can expect.
Understanding Thorley Headers
Thorley Headers are known for their quality and performance. These headers are designed to improve exhaust flow, which can lead to better engine efficiency and increased horsepower. For AMC Javelin owners, installing a Thorley Headers Kit can transform the driving experience.
Benefits of Installing a Thorley Headers Kit
- Improved Performance: Enhanced exhaust flow can lead to noticeable horsepower and torque gains.
- Better Fuel Efficiency: With improved airflow, your engine can operate more efficiently, potentially improving gas mileage.
- Enhanced Sound: Thorley headers provide a deeper, more aggressive exhaust note that many enthusiasts love.
- Quality Construction: Made from durable materials, these headers are built to last and resist corrosion.
Cost of Installing a Thorley Headers Kit
The cost of a Thorley Headers Kit for your AMC Javelin can vary based on several factors, including the specific model year and the retailer. On average, you can expect to pay between $600 and $1,200 for the headers themselves. Additional costs may include:
- Installation Labor: If you’re not installing the headers yourself, labor costs can range from $100 to $300, depending on the mechanic’s rates.
- Additional Parts: You may need to purchase gaskets, bolts, or other components, which can add another $50 to $150 to your total cost.
- Tuning: After installation, a tune-up may be necessary to maximize performance, costing an additional $100 to $300.
Performance Gains from Thorley Headers
One of the main reasons to install a Thorley Headers Kit is the performance gains that come with it. Here are some expected improvements:
- Horsepower Increase: Many users report gains of 10-20 horsepower after installation.
- Torque Improvement: Torque can also see an increase, enhancing acceleration and responsiveness.
- Throttle Response: Improved exhaust flow leads to quicker throttle response, making the car more fun to drive.
Installation Process
Installing a Thorley Headers Kit can be a rewarding project for those who enjoy working on their vehicles. Here’s a brief overview of the installation process:
- Preparation: Gather all necessary tools and parts, including the headers, gaskets, and any additional hardware.
- Remove Old Exhaust: Carefully detach the existing exhaust manifold and any related components.
- Install Headers: Position the Thorley headers in place, ensuring a proper fit, and secure them with bolts.
- Reconnect Exhaust: Reattach the exhaust system and any other components that were removed.
- Test the Setup: Start the engine and check for leaks or issues before taking it for a test drive.
Conclusion
Installing a Thorley Headers Kit on your AMC Javelin can provide significant performance gains, enhance fuel efficiency, and add a thrilling sound to your ride. While the initial costs may seem high, the benefits often outweigh the investment for dedicated enthusiasts. Whether you choose to tackle the installation yourself or hire a professional, this upgrade can take your Javelin to the next level.