How to Modify a Car to Improve Power?
2 Answers
The principle of lowering the intake air temperature is that colder air is denser, meaning more mass of air will be drawn into the engine cylinders to mix with fuel under the same volume. Replacing the exhaust pipe with one that has a larger diameter and faster flow can improve the smoothness of exhaust gas expulsion, while also enhancing the exhaust sound. Many people choose to replace spark plugs to boost car power, as most modern cars use a high-voltage ignition system without a distributor. Using high-energy, stable spark plugs, well-mixed air-fuel mixture, high compression ratio, high-quality gasoline, and reducing vehicle weight can increase power by 10%.
The most direct way to enhance a car's performance is to modify the intake and exhaust systems. I usually start by replacing the stock air filter with a high-flow one, which allows the engine to breathe more freely. Then, I upgrade the entire exhaust system, increasing the pipe diameter to reduce backpressure. Next, I flash the ECU to adjust ignition timing and fuel injection, which significantly boosts horsepower output. Additionally, installing a turbocharger kit is highly effective—though more expensive, the results are immediate. Don't forget to reinforce the cooling system to prevent engine overheating. Finally, pairing these mods with lightweight wheels to reduce unsprung mass completes the package, making the car accelerate like a whole new machine.
