GReddy DD-R Resonated Catback Exhaust — Fits 2017-2020 Honda Civic Si Coupe

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SKU: GRE10158600
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About GReddy GReddy engineers high-quality automotive parts and accessories trusted ...Read More

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Sale price$989.01 Regular price$990.00
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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

Aggressive Tone and Performance

The GReddy DD-R Resonated Catback Exhaust is specifically designed for the 2017-2020 Honda Civic Si Coupe. If you are looking to sharpen your vehicle's performance while achieving a distinct, sporty exhaust note, the DD-R series is the ideal choice for your build.

Engineered for the Coupe

This resonated system is crafted to provide a deep, resonant sound profile while effectively managing unwanted cabin drone. The high-flow design ensures that your turbocharged engine breathes more efficiently, unlocking hidden horsepower and torque throughout the power band.

  • Custom-tuned for the 2017-2020 Honda Civic Si Coupe
  • Resonated design for a refined, deep tone
  • Premium materials for corrosion resistance
  • Bolt-on installation for easy garage upgrades
  • Optimized piping diameter for maximum flow

Each component is built to GReddy's exacting standards, ensuring a perfect fit and finish that complements the aggressive lines of the Civic Si Coupe. Experience a noticeable improvement in throttle response and a more engaging driving experience every time you step on the gas. Find your performance parts at GGCRACING.

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

Aggressive Tone and Performance

The GReddy DD-R Resonated Catback Exhaust is specifically designed for the 2017-2020 Honda Civic Si Coupe. If you are looking to sharpen your vehicle's performance while achieving a distinct, sporty exhaust note, the DD-R series is the ideal choice for your build.

Engineered for the Coupe

This resonated system is crafted to provide a deep, resonant sound profile while effectively managing unwanted cabin drone. The high-flow design ensures that your turbocharged engine breathes more efficiently, unlocking hidden horsepower and torque throughout the power band.

  • Custom-tuned for the 2017-2020 Honda Civic Si Coupe
  • Resonated design for a refined, deep tone
  • Premium materials for corrosion resistance
  • Bolt-on installation for easy garage upgrades
  • Optimized piping diameter for maximum flow

Each component is built to GReddy's exacting standards, ensuring a perfect fit and finish that complements the aggressive lines of the Civic Si Coupe. Experience a noticeable improvement in throttle response and a more engaging driving experience every time you step on the gas. Find your performance parts at GGCRACING.

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

Aggressive Tone and Performance

The GReddy DD-R Resonated Catback Exhaust is specifically designed for the 2017-2020 Honda Civic Si Coupe. If you are looking to sharpen your vehicle's performance while achieving a distinct, sporty exhaust note, the DD-R series is the ideal choice for your build.

Engineered for the Coupe

This resonated system is crafted to provide a deep, resonant sound profile while effectively managing unwanted cabin drone. The high-flow design ensures that your turbocharged engine breathes more efficiently, unlocking hidden horsepower and torque throughout the power band.

  • Custom-tuned for the 2017-2020 Honda Civic Si Coupe
  • Resonated design for a refined, deep tone
  • Premium materials for corrosion resistance
  • Bolt-on installation for easy garage upgrades
  • Optimized piping diameter for maximum flow

Each component is built to GReddy's exacting standards, ensuring a perfect fit and finish that complements the aggressive lines of the Civic Si Coupe. Experience a noticeable improvement in throttle response and a more engaging driving experience every time you step on the gas. Find your performance parts at GGCRACING.

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