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Air Intake Systems for Acura RSX

To make power, a vehicle’s engine needs two things: fuel and air. The intake system supplies the air needed to combust the fuel that makes the vehicle move. Upgrading the air intake systems for Acura RSX can improve both your vehicle’s performance and its fuel efficiency.

What is an Acura RSX cold air intake system?

Cold air intake is one of the systems that improve the Acura’s stock air intake in two ways. First, it increases both the opening that takes in air and the piping that brings that air into the engine. This means more air is brought into the combustion chamber, which means more fuel is burned efficiently.

Second, upgraded air systems move the opening, where the air filter is attached, further from the engine so cooler air is brought into the combustion chamber. Cooler air is denser than warmer air, so again, more fuel is burned more efficiently. These two improvements result in a marked performance increase in the RSX.

How much horsepower can an improved intake system add?

Many intake systems can add anywhere from 5-20 horsepower on its own. As the intake is only part of the full air and fuel system, improvements to other parts, such as the exhaust and the air filter, can raise power gains in both the Acura RSX and the Acura RSX Type-S further. These exhaust and intake systems are designed to work together to facilitate a vehicles airflow and minimize the systems back pressure.

What types of air intake are available?

An upgrade for the base RSX will replace its intake with one from its higher-performing cousin, the Acura RSX Type-S. There are also several aluminum aftermarket options from brands like Injen and AEM. Some other brands to consider include K&N, Volant, and Airaid.

How do you install an intake system?

Installing an improved air intake is a simple job, requiring no specialized tools. Once you’ve chosen the right brand and style for your needs, the installation process is made up of five steps, including

  • Make sure your motor is cool and disconnect the battery from the negative terminal.
  • Remove the old air intake system and replace the silicon coupling, securing it with a hose clamp.
  • Attach the new OEM, Injen, or other system to the coupling, making sure to point it away from the engine bay.
  • Tighten the coupling and all brackets.
  • Plug in the mass air flow sensor and reconnect the battery.