HKS

HKS Hi-Power Catback Exhaust System — Fits 2002-2007 Subaru WRX & 2004-2007 STi

HKS Hi-Power Catback Exhaust System — Fits 2002-2007 Subaru WRX & 2004-2007 STi
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HKS Hi-Power Catback Exhaust System — Fits 2002-2007 Subaru WRX & 2004-2007 STi
HKS

HKS Hi-Power Catback Exhaust System — Fits 2002-2007 Subaru WRX & 2004-2007 STi

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SKU: HKS3106-EX008
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About HKS HKS engineers high-quality automotive parts and accessories trusted ...Read More

Price:
$629.01 $630.00
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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
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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 the Boxer Rumble

The Subaru WRX and STi are famous for their unique boxer engine sound. The HKS Hi-Power Catback Exhaust is designed to amplify that signature rumble while significantly improving exhaust flow. This system is the perfect upgrade for any 2002-2007 WRX or 2004-2007 STi owner looking to add performance and a more aggressive presence to their vehicle.

Performance Benefits

  • Increased Horsepower: Larger diameter piping allows the turbo to breathe better, resulting in noticeable power gains.
  • Enhanced Throttle Response: Reduced backpressure ensures faster turbo spooling and improved engine efficiency.
  • Durable Construction: Built to withstand the demands of both daily driving and spirited track use.
  • Iconic Style: The Hi-Power canister design provides a clean, racing-inspired look for your Subaru.

Engineered for a direct, bolt-on fitment, the HKS Hi-Power system integrates seamlessly with your Subaru's existing exhaust layout. The deep, throaty tone is perfect for those who want to hear their engine work without excessive highway drone. Whether you are upgrading your daily driver or preparing for a weekend rally, this exhaust system provides the reliability and performance you expect from a world-class brand. Enhance your driving experience today with premium components from 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 the Boxer Rumble

The Subaru WRX and STi are famous for their unique boxer engine sound. The HKS Hi-Power Catback Exhaust is designed to amplify that signature rumble while significantly improving exhaust flow. This system is the perfect upgrade for any 2002-2007 WRX or 2004-2007 STi owner looking to add performance and a more aggressive presence to their vehicle.

Performance Benefits

  • Increased Horsepower: Larger diameter piping allows the turbo to breathe better, resulting in noticeable power gains.
  • Enhanced Throttle Response: Reduced backpressure ensures faster turbo spooling and improved engine efficiency.
  • Durable Construction: Built to withstand the demands of both daily driving and spirited track use.
  • Iconic Style: The Hi-Power canister design provides a clean, racing-inspired look for your Subaru.

Engineered for a direct, bolt-on fitment, the HKS Hi-Power system integrates seamlessly with your Subaru's existing exhaust layout. The deep, throaty tone is perfect for those who want to hear their engine work without excessive highway drone. Whether you are upgrading your daily driver or preparing for a weekend rally, this exhaust system provides the reliability and performance you expect from a world-class brand. Enhance your driving experience today with premium components from 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 the Boxer Rumble

The Subaru WRX and STi are famous for their unique boxer engine sound. The HKS Hi-Power Catback Exhaust is designed to amplify that signature rumble while significantly improving exhaust flow. This system is the perfect upgrade for any 2002-2007 WRX or 2004-2007 STi owner looking to add performance and a more aggressive presence to their vehicle.

Performance Benefits

  • Increased Horsepower: Larger diameter piping allows the turbo to breathe better, resulting in noticeable power gains.
  • Enhanced Throttle Response: Reduced backpressure ensures faster turbo spooling and improved engine efficiency.
  • Durable Construction: Built to withstand the demands of both daily driving and spirited track use.
  • Iconic Style: The Hi-Power canister design provides a clean, racing-inspired look for your Subaru.

Engineered for a direct, bolt-on fitment, the HKS Hi-Power system integrates seamlessly with your Subaru's existing exhaust layout. The deep, throaty tone is perfect for those who want to hear their engine work without excessive highway drone. Whether you are upgrading your daily driver or preparing for a weekend rally, this exhaust system provides the reliability and performance you expect from a world-class brand. Enhance your driving experience today with premium components from GGCRACING.

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