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How can I make my Civic SI faster?

If you own a Honda Civic Si and want to boost its performance, there are several modifications you can make to increase its speed and power. From engine upgrades to suspension improvements, this article will guide you through the steps to make your Civic Si faster.


Engine Upgrades


The heart of your Civic Si's performance is its engine. To make it faster, you can consider the following engine upgrades:



  • Cold Air Intake: Installing a high-quality cold air intake system can improve airflow to the engine, resulting in increased horsepower and torque.

  • Exhaust System: Upgrading the exhaust system, including the catalytic converter and muffler, can reduce backpressure and allow the engine to breathe more freely.

  • Turbocharger or Supercharger: Adding a forced induction system, such as a turbocharger or supercharger, can significantly boost the engine's power output.

  • Engine Tuning: Getting your Civic Si's engine tuned by a professional can optimize the air-fuel ratio, ignition timing, and other parameters for improved performance.


These engine upgrades can provide a noticeable increase in your Civic Si's acceleration and top speed.


Suspension Upgrades


Improving the suspension of your Civic Si can also contribute to its overall performance. Consider the following suspension upgrades:



  • Coilover Suspension: Installing a high-quality coilover suspension system can enhance the car's handling, stability, and ride quality.

  • Sway Bars: Upgrading the front and rear sway bars can reduce body roll and improve the car's cornering abilities.

  • Brakes: Upgrading the brakes, including the rotors, calipers, and pads, can improve the Civic Si's stopping power and fade resistance.


These suspension upgrades can help your Civic Si corner better, brake more effectively, and provide a more responsive and engaging driving experience.


Aerodynamic Upgrades


Enhancing the aerodynamics of your Civic Si can also contribute to its overall performance. Consider the following aerodynamic upgrades:



  • Spoiler or Wing: Adding a well-designed spoiler or wing can improve the car's high-speed stability and downforce.

  • Front Splitter: Installing a front splitter can help reduce lift and improve the car's overall aerodynamics.

  • Diffuser: Adding a rear diffuser can help manage airflow and reduce drag, further enhancing the car's performance.


These aerodynamic upgrades can contribute to improved top speed, better high-speed stability, and increased overall performance.


Remember, when modifying your Civic Si, it's essential to consult with a professional mechanic or tuner to ensure the upgrades are properly installed and configured for optimal performance and safety.

How can I increase my Civic horsepower?


Here are the following parts and actions we recommend:

  1. Get a supercharger or turbo Kit for your Civic.
  2. Get a performance exhaust system.
  3. Upgrade your Civic's ignition components such as spark plugs, spark plug wires, ignition coil, modified distributor cap/rotor kit, and a forced induction ignition component.



What does Si stand for in Honda?


sport injection
Short for "sport injection" but really just a marketing term for fuel injection, the moniker first emerged in the mid-1980s when most Hondas were still carbureted. Enhanced with fuel injection, the Si's tiny engines had the extra power needed to set them apart.



How much HP can a stock Civic handle?


For the engine, our general answer is about ~375 wheel horsepower. This is around the max safe limit for a stock L15B7 engine.



Is the Civic Si fast?


In our testing, the Honda Civic Si's 0–60 mph time was 6.6 seconds, 0.7 second quicker than the standard Civic hatchback we also tested with the six-speed manual transmission.



What does Civic Si stand for?


sport injection
Short for "sport injection" but really just a marketing term for fuel injection, the moniker first emerged in the mid-1980s when most Hondas were still carbureted. Enhanced with fuel injection, the Si's tiny engines had the extra power needed to set them apart.



How much HP can a Honda Civic SI make?


Engine, Transmission, and Performance
Under the hood of the Civic Si is a turbocharged 1.5-liter four-cylinder that makes 200 horsepower and 192 pound-feet of torque.



How to make 300 hp in Honda Civic?


But, for 300hp, you'll NEED an upgraded clutch, ARP head studs, and a solid tune. 27WON and RV6 have drop-in turbo upgrades for these motors already. You'll also likely wanna entertain a full exhaust, intake, and charge pipe upgrade as well.



How much HP can a dyno tune add?


On average, you can expect gains of 10% to 20% in horsepower after a professional dyno tune. However, the answer varies depending on several factors, including the make and model of your car, its current condition, and any existing modifications.



How to make a Honda Si faster?


For those who want to massively increase the speed of their Honda Civic with only one upgrade, installing a supercharger is the way to go. Some superchargers can push a Civic to over 400 horses, so it's understandable why those with the need for speed would consider one.



Is Honda Type R faster than Si?


Is the Civic Si Faster Than the Type R? At the end of the day, speed is a key differentiator between the two vehicles. The Civic Si accelerates from zero to 60 mph in 6.9 seconds, but the Civic Type R is generally faster, reaching the same speed in just 5 seconds.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.