GReddy Supreme SP Cat-Back Exhaust System - 76mm - Fits 2012-2015 Honda Civic Si Coupe

SKU: GRE10158209
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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

GReddy Supreme SP Cat-Back Exhaust System for 2012-2015 Honda Civic Si Coupe

Elevate your driving experience with the GReddy Supreme SP Cat-Back Exhaust, meticulously engineered for the 2012-2015 Honda Civic Si Coupe. This premium exhaust system is designed to deliver a perfect balance of aggressive sound, improved performance, and stunning aesthetics.

Key Features:

  • Optimized for Performance: Features a 76mm (3-inch) piping diameter to maximize exhaust flow, resulting in noticeable gains in horsepower and torque.
  • Supreme SP Design: The Supreme SP series is known for its high-quality construction and refined exhaust note, offering a sporty yet sophisticated tone.
  • Durable Construction: Crafted from high-grade stainless steel for exceptional resistance to corrosion and long-lasting durability, even under demanding driving conditions.
  • Direct Fit Installation: Designed as a direct bolt-on replacement for your factory exhaust, ensuring a hassle-free installation process without the need for modifications.
  • Enhanced Aesthetics: Complemented by a stylish tip design that enhances the rear profile of your Civic Si Coupe.

This cat-back exhaust system replaces the factory muffler and piping from the catalytic converter back, providing a significant upgrade in sound and performance. The GReddy Supreme SP Cat-Back Exhaust is the ideal choice for Honda Civic Si owners looking to unlock their vehicle's full potential. Experience the difference quality engineering makes with GGCRACING.

Vehicle Fitment

Years Make Model Trim
2012-2015 Honda Civic Si

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

GReddy Supreme SP Cat-Back Exhaust System for 2012-2015 Honda Civic Si Coupe

Elevate your driving experience with the GReddy Supreme SP Cat-Back Exhaust, meticulously engineered for the 2012-2015 Honda Civic Si Coupe. This premium exhaust system is designed to deliver a perfect balance of aggressive sound, improved performance, and stunning aesthetics.

Key Features:

  • Optimized for Performance: Features a 76mm (3-inch) piping diameter to maximize exhaust flow, resulting in noticeable gains in horsepower and torque.
  • Supreme SP Design: The Supreme SP series is known for its high-quality construction and refined exhaust note, offering a sporty yet sophisticated tone.
  • Durable Construction: Crafted from high-grade stainless steel for exceptional resistance to corrosion and long-lasting durability, even under demanding driving conditions.
  • Direct Fit Installation: Designed as a direct bolt-on replacement for your factory exhaust, ensuring a hassle-free installation process without the need for modifications.
  • Enhanced Aesthetics: Complemented by a stylish tip design that enhances the rear profile of your Civic Si Coupe.

This cat-back exhaust system replaces the factory muffler and piping from the catalytic converter back, providing a significant upgrade in sound and performance. The GReddy Supreme SP Cat-Back Exhaust is the ideal choice for Honda Civic Si owners looking to unlock their vehicle's full potential. Experience the difference quality engineering makes with GGCRACING.

Vehicle Fitment

Years Make Model Trim
2012-2015 Honda Civic Si

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

GReddy Supreme SP Cat-Back Exhaust System for 2012-2015 Honda Civic Si Coupe

Elevate your driving experience with the GReddy Supreme SP Cat-Back Exhaust, meticulously engineered for the 2012-2015 Honda Civic Si Coupe. This premium exhaust system is designed to deliver a perfect balance of aggressive sound, improved performance, and stunning aesthetics.

Key Features:

  • Optimized for Performance: Features a 76mm (3-inch) piping diameter to maximize exhaust flow, resulting in noticeable gains in horsepower and torque.
  • Supreme SP Design: The Supreme SP series is known for its high-quality construction and refined exhaust note, offering a sporty yet sophisticated tone.
  • Durable Construction: Crafted from high-grade stainless steel for exceptional resistance to corrosion and long-lasting durability, even under demanding driving conditions.
  • Direct Fit Installation: Designed as a direct bolt-on replacement for your factory exhaust, ensuring a hassle-free installation process without the need for modifications.
  • Enhanced Aesthetics: Complemented by a stylish tip design that enhances the rear profile of your Civic Si Coupe.

This cat-back exhaust system replaces the factory muffler and piping from the catalytic converter back, providing a significant upgrade in sound and performance. The GReddy Supreme SP Cat-Back Exhaust is the ideal choice for Honda Civic Si owners looking to unlock their vehicle's full potential. Experience the difference quality engineering makes with GGCRACING.

Vehicle Fitment

Years Make Model Trim
2012-2015 Honda Civic Si

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