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How to Increase Power for a 1.5L Naturally Aspirated Engine?

1 Answers

KinsleyLee

07/29/25 9:13pm

Engine modification generally refers to upgrading the vehicle's ECU (Engine Control Unit), commonly known as 'flashing stages,' which are categorized into Stage 1, Stage 2, and Stage 3. The familiar intake system modifications, such as installing a high-flow air filter (commonly referred to as a 'mushroom head'), aim to maximize air intake volume while reducing intake air temperature. Additionally, upgrading to a larger exhaust system with wider diameter and faster flow exhaust components can further enhance performance. Replacing the spark plugs with high-energy, stable ones helps minimize energy loss in the ignition system. Combined with a well-balanced air-fuel mixture and high-quality gasoline, these modifications naturally lead to increased power output.

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