HKS Super Hybrid Drop-In Air Filter — Fits 2008-2011 Subaru WRX / STI

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SKU: HKS70017-AF101
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About HKS

HKS engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full HKS lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

High-Flow Performance for Your Subaru

Unlock better throttle response and improved engine breathing with the HKS Super Hybrid Drop-In Air Filter, specifically engineered for the 2008-2011 Subaru WRX and STI. This high-performance filter replaces your restrictive factory paper element with a multi-layer filtration media that maximizes airflow while maintaining superior dust-trapping capabilities.

Key Features and Benefits

  • Direct drop-in replacement for the factory air box.
  • Multi-layer filtration design reduces intake resistance.
  • Improves engine response and mid-range torque.
  • Durable construction designed for long-lasting performance.
  • Maintains optimal air-to-fuel ratios for your EJ-series engine.

The HKS Super Hybrid filter is the ideal choice for Subaru owners looking to enhance their vehicle's performance without the complexity of a full cold air intake system. By reducing pressure drop across the intake tract, your turbocharger can spool more efficiently, providing a noticeable improvement in acceleration. This filter is designed to handle the increased airflow demands of both stock and lightly modified Subaru engines. Installation is simple and requires no specialized tools, making it a perfect DIY upgrade for your WRX or STI. Experience the difference in quality and performance that only HKS can deliver. Find this and other premium upgrades for your Subaru at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About HKS

HKS engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full HKS lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

High-Flow Performance for Your Subaru

Unlock better throttle response and improved engine breathing with the HKS Super Hybrid Drop-In Air Filter, specifically engineered for the 2008-2011 Subaru WRX and STI. This high-performance filter replaces your restrictive factory paper element with a multi-layer filtration media that maximizes airflow while maintaining superior dust-trapping capabilities.

Key Features and Benefits

  • Direct drop-in replacement for the factory air box.
  • Multi-layer filtration design reduces intake resistance.
  • Improves engine response and mid-range torque.
  • Durable construction designed for long-lasting performance.
  • Maintains optimal air-to-fuel ratios for your EJ-series engine.

The HKS Super Hybrid filter is the ideal choice for Subaru owners looking to enhance their vehicle's performance without the complexity of a full cold air intake system. By reducing pressure drop across the intake tract, your turbocharger can spool more efficiently, providing a noticeable improvement in acceleration. This filter is designed to handle the increased airflow demands of both stock and lightly modified Subaru engines. Installation is simple and requires no specialized tools, making it a perfect DIY upgrade for your WRX or STI. Experience the difference in quality and performance that only HKS can deliver. Find this and other premium upgrades for your Subaru at GGCRACING.

Product Details

Product Description

About HKS

HKS engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full HKS lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

High-Flow Performance for Your Subaru

Unlock better throttle response and improved engine breathing with the HKS Super Hybrid Drop-In Air Filter, specifically engineered for the 2008-2011 Subaru WRX and STI. This high-performance filter replaces your restrictive factory paper element with a multi-layer filtration media that maximizes airflow while maintaining superior dust-trapping capabilities.

Key Features and Benefits

  • Direct drop-in replacement for the factory air box.
  • Multi-layer filtration design reduces intake resistance.
  • Improves engine response and mid-range torque.
  • Durable construction designed for long-lasting performance.
  • Maintains optimal air-to-fuel ratios for your EJ-series engine.

The HKS Super Hybrid filter is the ideal choice for Subaru owners looking to enhance their vehicle's performance without the complexity of a full cold air intake system. By reducing pressure drop across the intake tract, your turbocharger can spool more efficiently, providing a noticeable improvement in acceleration. This filter is designed to handle the increased airflow demands of both stock and lightly modified Subaru engines. Installation is simple and requires no specialized tools, making it a perfect DIY upgrade for your WRX or STI. Experience the difference in quality and performance that only HKS can deliver. Find this and other premium upgrades for your Subaru at GGCRACING.

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