Invidia Q300 Cat-Back Exhaust w/ Rolled Stainless Steel Tip — Fits 2006-2011 Honda Civic Si Coupe

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SKU: INVHS06HC2G3S
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Sale price$695.99 Regular price$1,390.20
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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 Invidia

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

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Refine Your Honda Civic Si's Sound with the Invidia Q300 Cat-Back Exhaust

Enhance the driving experience of your 2006-2011 Honda Civic Si Coupe with the Invidia Q300 Cat-Back Exhaust system. Renowned for its ability to produce a deep, smooth, and aggressive exhaust note without introducing unwanted drone, the Q300 is the perfect blend of performance and daily drivability. This cat-back system is meticulously engineered to optimize exhaust flow, contributing to noticeable gains in horsepower and torque while providing a refined auditory experience.

Key Features:

  • Aggressive Yet Refined Sound: Delivers a deep, sporty tone without cabin resonance.
  • Performance Gains: Improves exhaust flow for increased horsepower and torque.
  • High-Quality Construction: Built with durable materials for long-lasting performance and corrosion resistance.
  • Rolled Stainless Steel Tip: Adds a stylish, performance-oriented aesthetic to your Civic Si.
  • Vehicle Specific Fitment: Precisely designed for the 2-door (Coupe) 2006-2011 Honda Civic Si models.

The Invidia Q300 is constructed using high-grade stainless steel, ensuring durability and resistance to the elements. Its polished finish and clean design complement the sporty nature of the Civic Si. Installation is designed to be straightforward, integrating seamlessly with your vehicle's existing exhaust components. This cat-back system is an excellent choice for drivers seeking a premium exhaust upgrade that balances performance, sound, and daily comfort.

Elevate your Honda Civic Si's performance and sound. Discover the Invidia Q300 Cat-Back Exhaust at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2011 Honda Civic Si

Product Details

Product Description
Part Numbers
Sizing & Fit

About Invidia

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

Watch in action

Refine Your Honda Civic Si's Sound with the Invidia Q300 Cat-Back Exhaust

Enhance the driving experience of your 2006-2011 Honda Civic Si Coupe with the Invidia Q300 Cat-Back Exhaust system. Renowned for its ability to produce a deep, smooth, and aggressive exhaust note without introducing unwanted drone, the Q300 is the perfect blend of performance and daily drivability. This cat-back system is meticulously engineered to optimize exhaust flow, contributing to noticeable gains in horsepower and torque while providing a refined auditory experience.

Key Features:

  • Aggressive Yet Refined Sound: Delivers a deep, sporty tone without cabin resonance.
  • Performance Gains: Improves exhaust flow for increased horsepower and torque.
  • High-Quality Construction: Built with durable materials for long-lasting performance and corrosion resistance.
  • Rolled Stainless Steel Tip: Adds a stylish, performance-oriented aesthetic to your Civic Si.
  • Vehicle Specific Fitment: Precisely designed for the 2-door (Coupe) 2006-2011 Honda Civic Si models.

The Invidia Q300 is constructed using high-grade stainless steel, ensuring durability and resistance to the elements. Its polished finish and clean design complement the sporty nature of the Civic Si. Installation is designed to be straightforward, integrating seamlessly with your vehicle's existing exhaust components. This cat-back system is an excellent choice for drivers seeking a premium exhaust upgrade that balances performance, sound, and daily comfort.

Elevate your Honda Civic Si's performance and sound. Discover the Invidia Q300 Cat-Back Exhaust at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2011 Honda Civic Si

Product Details

Product Description

About Invidia

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

Watch in action

Refine Your Honda Civic Si's Sound with the Invidia Q300 Cat-Back Exhaust

Enhance the driving experience of your 2006-2011 Honda Civic Si Coupe with the Invidia Q300 Cat-Back Exhaust system. Renowned for its ability to produce a deep, smooth, and aggressive exhaust note without introducing unwanted drone, the Q300 is the perfect blend of performance and daily drivability. This cat-back system is meticulously engineered to optimize exhaust flow, contributing to noticeable gains in horsepower and torque while providing a refined auditory experience.

Key Features:

  • Aggressive Yet Refined Sound: Delivers a deep, sporty tone without cabin resonance.
  • Performance Gains: Improves exhaust flow for increased horsepower and torque.
  • High-Quality Construction: Built with durable materials for long-lasting performance and corrosion resistance.
  • Rolled Stainless Steel Tip: Adds a stylish, performance-oriented aesthetic to your Civic Si.
  • Vehicle Specific Fitment: Precisely designed for the 2-door (Coupe) 2006-2011 Honda Civic Si models.

The Invidia Q300 is constructed using high-grade stainless steel, ensuring durability and resistance to the elements. Its polished finish and clean design complement the sporty nature of the Civic Si. Installation is designed to be straightforward, integrating seamlessly with your vehicle's existing exhaust components. This cat-back system is an excellent choice for drivers seeking a premium exhaust upgrade that balances performance, sound, and daily comfort.

Elevate your Honda Civic Si's performance and sound. Discover the Invidia Q300 Cat-Back Exhaust at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2011 Honda Civic Si

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