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The HKS Sequential Exhaust is a popular upgrade for the first-generation Acura NSX, providing not only a performance boost but also an enhanced sound that many enthusiasts crave. Installing this exhaust system can yield an extra 20 horsepower, making it a worthwhile investment for any NSX owner looking to improve their vehicle’s performance. In this guide, we will walk you through the steps required to install the HKS Sequential Exhaust on your first-gen NSX.
Tools and Materials Needed
- HKS Sequential Exhaust System
- Socket set (including 10mm, 12mm, and 14mm sockets)
- Ratchet and extension
- Torque wrench
- Jack and jack stands
- Safety glasses
- Gloves
- WD-40 or penetrating oil
- Shop towels
Preparation Steps
Before you begin the installation process, it is essential to prepare your workspace and the vehicle. Follow these preparation steps:
- Park your NSX on a flat, level surface.
- Engage the parking brake to prevent any movement.
- Gather all tools and materials needed for the installation.
- Put on safety glasses and gloves to protect yourself during the process.
Removing the Stock Exhaust System
The first step in the installation process is to remove the stock exhaust system. Follow these steps carefully:
- Using a jack, lift the rear of the vehicle and secure it with jack stands.
- Locate the stock exhaust system and identify the mounting points.
- Apply WD-40 or penetrating oil to the bolts and let it sit for a few minutes.
- Using the socket set, remove the bolts securing the exhaust to the headers and the mounting brackets.
- Carefully lower the stock exhaust system from the vehicle.
Installing the HKS Sequential Exhaust
With the stock exhaust removed, you can now proceed to install the HKS Sequential Exhaust. Follow these steps:
- Position the HKS Sequential Exhaust under the vehicle, aligning it with the mounting points.
- Attach the exhaust to the headers using the provided bolts, ensuring a snug fit.
- Secure the exhaust to the mounting brackets using the bolts removed earlier.
- Double-check all connections to ensure they are tight and properly aligned.
Finalizing the Installation
Once the exhaust is securely in place, it’s time to finalize the installation:
- Lower the vehicle from the jack stands.
- Start the engine and let it idle for a few minutes to check for any leaks.
- Listen for any unusual sounds that may indicate improper installation.
- If everything sounds good, take the car for a short drive to ensure proper operation.
Conclusion
Installing the HKS Sequential Exhaust on your first-gen NSX is a straightforward process that can significantly enhance your vehicle’s performance and sound. With the right tools and careful attention to detail, you can complete this installation in a few hours. Enjoy the extra horsepower and the thrilling sound of your newly upgraded exhaust system!