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The 1G Eclipse, known for its lightweight design and turbocharged engine, offers an excellent platform for performance upgrades. Among the most effective modifications are intake and exhaust upgrades, which can yield significant horsepower gains without breaking the bank. In this guide, we will explore how to achieve 20-30 horsepower increases for under $1,000.
Understanding the 1G Eclipse Engine
The first-generation Mitsubishi Eclipse, produced between 1990 and 1994, features a range of engines, including the 1.8L SOHC and the 2.0L DOHC turbocharged variants. The turbocharged engine, in particular, is a popular choice for enthusiasts looking to boost performance.
Why Upgrade Intake and Exhaust?
Upgrading the intake and exhaust systems of your 1G Eclipse can significantly improve airflow, resulting in increased horsepower and torque. The factory components often restrict airflow, limiting the engine’s potential. By enhancing these systems, you can unlock more power and improve engine efficiency.
Benefits of Upgraded Intake and Exhaust
- Improved airflow leading to better combustion.
- Increased horsepower and torque.
- Enhanced engine sound.
- Better throttle response.
Intake Upgrades
Upgrading the intake system is one of the most straightforward modifications you can make. A performance air intake system can replace the restrictive factory airbox and filter, allowing for improved airflow to the engine.
Types of Intake Upgrades
- Cold Air Intakes (CAI): These systems draw cooler air from outside the engine bay, which can improve performance.
- Short Ram Intakes (SRI): These are easier to install and provide improved airflow, but may draw warmer air from the engine bay.
- High-Performance Air Filters: Replacing the factory filter with a high-flow filter can also yield gains.
Recommended Intake Upgrades
Some popular intake options for the 1G Eclipse include:
- AEM Cold Air Intake
- Injen Short Ram Intake
- K&N High-Flow Air Filter
Exhaust Upgrades
After upgrading the intake, the next step is to enhance the exhaust system. A performance exhaust can help expel exhaust gases more efficiently, which is crucial for maximizing performance.
Types of Exhaust Upgrades
- Cat-Back Exhaust Systems: These replace the exhaust from the catalytic converter back, improving flow.
- Downpipe Upgrades: Replacing the factory downpipe can also significantly enhance exhaust flow.
- High-Performance Mufflers: These can improve sound and reduce back pressure.
Recommended Exhaust Upgrades
Some popular exhaust options for the 1G Eclipse include:
- Greddy SP2 Cat-Back Exhaust
- HKS Hi-Power Exhaust System
- MagnaFlow Performance Muffler
Cost Breakdown
When planning your upgrades, it’s essential to consider the costs involved. Below is a typical cost breakdown for intake and exhaust upgrades:
- Cold Air Intake: $200 – $300
- Cat-Back Exhaust System: $300 – $600
- High-Performance Muffler: $100 – $200
- Additional Installation Costs: $100 – $200 (if not DIY)
Installation Tips
While some enthusiasts may choose to perform these upgrades themselves, it’s essential to follow best practices to ensure proper installation:
- Read the instructions carefully for each component.
- Use the necessary tools and safety equipment.
- Check for leaks after installation.
- Consider consulting a professional if you’re unsure about the installation process.
Final Thoughts
Upgrading the intake and exhaust systems on your 1G Eclipse can lead to significant horsepower gains at an affordable price. With the right components and installation, you can achieve a performance boost that enhances your driving experience. Always remember to research and choose quality parts to ensure reliability and performance.
By following this guide, you can make informed decisions about your upgrades and enjoy the benefits of increased horsepower without exceeding your budget.