Intake Manifold Upgrades on the Subaru Wrx: How Much Power, Cost, and Installation Tips

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The Subaru WRX is a popular choice among car enthusiasts looking to enhance performance. One key area for improvement is the intake manifold, which plays a crucial role in the engine’s air intake efficiency. In this article, we will explore the benefits of upgrading the intake manifold, the potential power gains, associated costs, and some installation tips.

Benefits of Upgrading the Intake Manifold

Upgrading the intake manifold can lead to several significant benefits for your Subaru WRX, including:

  • Improved airflow to the engine
  • Increased horsepower and torque
  • Enhanced throttle response
  • Better fuel efficiency

How Much Power Can You Expect?

The power gains from an upgraded intake manifold can vary based on several factors, including the specific manifold chosen, supporting modifications, and tuning. However, on average, you can expect:

  • 10 to 30 additional horsepower
  • 5 to 15 additional foot-pounds of torque

Cost of Intake Manifold Upgrades

The cost of upgrading your intake manifold can vary widely depending on the brand, materials, and features. Here’s a breakdown of potential costs:

  • Aftermarket intake manifolds: $300 to $1,000
  • Installation costs (if not DIY): $100 to $300
  • Tuning (if necessary): $300 to $600

Installation Tips for Subaru WRX Intake Manifold

Installing an upgraded intake manifold can be a rewarding project. Here are some tips to help you through the process:

  • Gather Necessary Tools: Ensure you have all required tools, including sockets, wrenches, and screwdrivers.
  • Read the Instructions: Always refer to the manufacturer’s instructions for specific installation guidelines.
  • Work in a Clean Environment: Keep your workspace clean to avoid any contaminants entering the engine.
  • Label Components: As you disassemble parts, label them to ensure a smooth reassembly.
  • Check for Leaks: After installation, check for any air leaks that could affect performance.

Conclusion

Upgrading the intake manifold on your Subaru WRX can lead to significant performance improvements. With proper installation and tuning, you can enjoy enhanced horsepower, torque, and overall driving experience. Always consider your budget and the specific goals you have for your vehicle when planning your upgrade.