HKS SUH 409 Turbo Exhaust Manifold Header — Fits 2002-2014 Subaru EJ25

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SKU: HKS14019-AF002
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Sale price$699.01 Regular price$700.00
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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

Unlock Power with HKS Turbo Manifolds

The HKS SUH 409 Turbo Exhaust Manifold is designed to provide Subaru EJ25 engines with the ultimate in exhaust scavenging efficiency. By utilizing high-quality 409 stainless steel and a tuned-length runner design, this manifold minimizes exhaust gas interference and maximizes the energy directed to the turbocharger. This leads to faster spool times and increased peak power output for your turbocharged Subaru.

Why Choose HKS Manifolds?

  • Superior 409 stainless steel construction for heat resistance
  • Tuned runner geometry for improved turbo spool
  • Optimized flow paths to reduce backpressure
  • Direct fitment for EJ25 engine platforms
  • Enhanced engine bay aesthetics and durability

Subaru engines are notorious for exhaust flow limitations in the factory manifold. The HKS SUH manifold addresses these bottlenecks, providing a robust solution that can handle increased boost levels and aggressive tuning. Whether you are upgrading your turbo or simply looking to improve the efficiency of your current setup, this manifold provides the reliability and performance gains you need. Trust in the legendary HKS engineering to transform the power delivery of your vehicle. Find this essential performance upgrade and more 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

Unlock Power with HKS Turbo Manifolds

The HKS SUH 409 Turbo Exhaust Manifold is designed to provide Subaru EJ25 engines with the ultimate in exhaust scavenging efficiency. By utilizing high-quality 409 stainless steel and a tuned-length runner design, this manifold minimizes exhaust gas interference and maximizes the energy directed to the turbocharger. This leads to faster spool times and increased peak power output for your turbocharged Subaru.

Why Choose HKS Manifolds?

  • Superior 409 stainless steel construction for heat resistance
  • Tuned runner geometry for improved turbo spool
  • Optimized flow paths to reduce backpressure
  • Direct fitment for EJ25 engine platforms
  • Enhanced engine bay aesthetics and durability

Subaru engines are notorious for exhaust flow limitations in the factory manifold. The HKS SUH manifold addresses these bottlenecks, providing a robust solution that can handle increased boost levels and aggressive tuning. Whether you are upgrading your turbo or simply looking to improve the efficiency of your current setup, this manifold provides the reliability and performance gains you need. Trust in the legendary HKS engineering to transform the power delivery of your vehicle. Find this essential performance upgrade and more 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

Unlock Power with HKS Turbo Manifolds

The HKS SUH 409 Turbo Exhaust Manifold is designed to provide Subaru EJ25 engines with the ultimate in exhaust scavenging efficiency. By utilizing high-quality 409 stainless steel and a tuned-length runner design, this manifold minimizes exhaust gas interference and maximizes the energy directed to the turbocharger. This leads to faster spool times and increased peak power output for your turbocharged Subaru.

Why Choose HKS Manifolds?

  • Superior 409 stainless steel construction for heat resistance
  • Tuned runner geometry for improved turbo spool
  • Optimized flow paths to reduce backpressure
  • Direct fitment for EJ25 engine platforms
  • Enhanced engine bay aesthetics and durability

Subaru engines are notorious for exhaust flow limitations in the factory manifold. The HKS SUH manifold addresses these bottlenecks, providing a robust solution that can handle increased boost levels and aggressive tuning. Whether you are upgrading your turbo or simply looking to improve the efficiency of your current setup, this manifold provides the reliability and performance gains you need. Trust in the legendary HKS engineering to transform the power delivery of your vehicle. Find this essential performance upgrade and more at GGCRACING.

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