GReddy Supreme SP Catback Exhaust System — Fits 2015-2020 Subaru WRX/STI

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SKU: GRE10168202
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Sale price$1,194.01 Regular price$1,195.00
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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 GReddy

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

Watch in action

Unleash Your Subaru's Potential

The GReddy Supreme SP Catback Exhaust for the 2015-2020 Subaru WRX and STI is the ultimate upgrade for enthusiasts seeking a refined yet powerful exhaust note. Designed to complement the iconic Boxer engine rumble, this system provides a significant boost in exhaust flow while maintaining a sophisticated aesthetic.

Built for Performance

Constructed from high-quality stainless steel, the Supreme SP system is built to withstand the elements while delivering consistent performance. Whether you are driving a base WRX or a high-performance STI, this catback system ensures your vehicle sounds as aggressive as it performs.

  • Compatible with 2015-2020 Subaru WRX and STI models
  • Precision-engineered for maximum exhaust velocity
  • Deep, signature GReddy sound profile
  • Durable stainless steel construction
  • Easy bolt-on installation with included hardware

This system is perfect for those who want to improve their Subaru's power delivery without the harsh drone of track-only exhausts. The polished finish adds a clean, professional look to your undercarriage. Upgrade your ride today with premium parts from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2015-2020 Subaru WRX Base
2015-2020 Subaru WRX Limited
2015-2020 Subaru WRX Premium
2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base
2015-2020 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue

Product Details

Product Description
Part Numbers
Sizing & Fit

About GReddy

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

Watch in action

Unleash Your Subaru's Potential

The GReddy Supreme SP Catback Exhaust for the 2015-2020 Subaru WRX and STI is the ultimate upgrade for enthusiasts seeking a refined yet powerful exhaust note. Designed to complement the iconic Boxer engine rumble, this system provides a significant boost in exhaust flow while maintaining a sophisticated aesthetic.

Built for Performance

Constructed from high-quality stainless steel, the Supreme SP system is built to withstand the elements while delivering consistent performance. Whether you are driving a base WRX or a high-performance STI, this catback system ensures your vehicle sounds as aggressive as it performs.

  • Compatible with 2015-2020 Subaru WRX and STI models
  • Precision-engineered for maximum exhaust velocity
  • Deep, signature GReddy sound profile
  • Durable stainless steel construction
  • Easy bolt-on installation with included hardware

This system is perfect for those who want to improve their Subaru's power delivery without the harsh drone of track-only exhausts. The polished finish adds a clean, professional look to your undercarriage. Upgrade your ride today with premium parts from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2015-2020 Subaru WRX Base
2015-2020 Subaru WRX Limited
2015-2020 Subaru WRX Premium
2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base
2015-2020 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue

Product Details

Product Description

About GReddy

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

Watch in action

Unleash Your Subaru's Potential

The GReddy Supreme SP Catback Exhaust for the 2015-2020 Subaru WRX and STI is the ultimate upgrade for enthusiasts seeking a refined yet powerful exhaust note. Designed to complement the iconic Boxer engine rumble, this system provides a significant boost in exhaust flow while maintaining a sophisticated aesthetic.

Built for Performance

Constructed from high-quality stainless steel, the Supreme SP system is built to withstand the elements while delivering consistent performance. Whether you are driving a base WRX or a high-performance STI, this catback system ensures your vehicle sounds as aggressive as it performs.

  • Compatible with 2015-2020 Subaru WRX and STI models
  • Precision-engineered for maximum exhaust velocity
  • Deep, signature GReddy sound profile
  • Durable stainless steel construction
  • Easy bolt-on installation with included hardware

This system is perfect for those who want to improve their Subaru's power delivery without the harsh drone of track-only exhausts. The polished finish adds a clean, professional look to your undercarriage. Upgrade your ride today with premium parts from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2015-2020 Subaru WRX Base
2015-2020 Subaru WRX Limited
2015-2020 Subaru WRX Premium
2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base
2015-2020 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue

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