Invidia Q300 Rolled Stainless Steel Tip Cat-back Exhaust — Fits 2012-2015 Honda Civic Si Coupe

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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.

Watch in action

Upgrade Your Honda Civic Si with the Invidia Q300 Cat-Back Exhaust

Experience a refined yet sporty exhaust note and improved performance with the Invidia Q300 Cat-Back Exhaust, specifically designed for the 2012-2015 Honda Civic Si Coupe (K24 engine). This exhaust system is engineered to provide a perfect balance of sound, performance, and aesthetics, making it an ideal upgrade for your Si.

Key Features and Benefits:

  • Refined Exhaust Tone: The Q300 series is known for its ability to produce a deep, pleasing exhaust sound that is aggressive under acceleration but remains comfortable during cruising.
  • High-Quality Stainless Steel: Constructed from premium stainless steel for exceptional durability, corrosion resistance, and a long service life.
  • Rolled Stainless Steel Tip: Features an attractive rolled stainless steel tip that adds a touch of sportiness to the rear of your Civic Si.
  • Performance Gains: Optimized piping diameter and smooth bends contribute to reduced backpressure, allowing for noticeable improvements in horsepower and torque.
  • Direct Fit Design: Engineered for a precise fit, ensuring a straightforward installation process without the need for extensive modifications.

Vehicle Fitment:

  • Honda Civic Si Coupe: 2012, 2013, 2014, 2015

Elevate your driving experience with a premium exhaust upgrade. Get the Invidia Q300 Cat-Back Exhaust for your Honda Civic Si at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2012-2015 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

Upgrade Your Honda Civic Si with the Invidia Q300 Cat-Back Exhaust

Experience a refined yet sporty exhaust note and improved performance with the Invidia Q300 Cat-Back Exhaust, specifically designed for the 2012-2015 Honda Civic Si Coupe (K24 engine). This exhaust system is engineered to provide a perfect balance of sound, performance, and aesthetics, making it an ideal upgrade for your Si.

Key Features and Benefits:

  • Refined Exhaust Tone: The Q300 series is known for its ability to produce a deep, pleasing exhaust sound that is aggressive under acceleration but remains comfortable during cruising.
  • High-Quality Stainless Steel: Constructed from premium stainless steel for exceptional durability, corrosion resistance, and a long service life.
  • Rolled Stainless Steel Tip: Features an attractive rolled stainless steel tip that adds a touch of sportiness to the rear of your Civic Si.
  • Performance Gains: Optimized piping diameter and smooth bends contribute to reduced backpressure, allowing for noticeable improvements in horsepower and torque.
  • Direct Fit Design: Engineered for a precise fit, ensuring a straightforward installation process without the need for extensive modifications.

Vehicle Fitment:

  • Honda Civic Si Coupe: 2012, 2013, 2014, 2015

Elevate your driving experience with a premium exhaust upgrade. Get the Invidia Q300 Cat-Back Exhaust for your Honda Civic Si at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2012-2015 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

Upgrade Your Honda Civic Si with the Invidia Q300 Cat-Back Exhaust

Experience a refined yet sporty exhaust note and improved performance with the Invidia Q300 Cat-Back Exhaust, specifically designed for the 2012-2015 Honda Civic Si Coupe (K24 engine). This exhaust system is engineered to provide a perfect balance of sound, performance, and aesthetics, making it an ideal upgrade for your Si.

Key Features and Benefits:

  • Refined Exhaust Tone: The Q300 series is known for its ability to produce a deep, pleasing exhaust sound that is aggressive under acceleration but remains comfortable during cruising.
  • High-Quality Stainless Steel: Constructed from premium stainless steel for exceptional durability, corrosion resistance, and a long service life.
  • Rolled Stainless Steel Tip: Features an attractive rolled stainless steel tip that adds a touch of sportiness to the rear of your Civic Si.
  • Performance Gains: Optimized piping diameter and smooth bends contribute to reduced backpressure, allowing for noticeable improvements in horsepower and torque.
  • Direct Fit Design: Engineered for a precise fit, ensuring a straightforward installation process without the need for extensive modifications.

Vehicle Fitment:

  • Honda Civic Si Coupe: 2012, 2013, 2014, 2015

Elevate your driving experience with a premium exhaust upgrade. Get the Invidia Q300 Cat-Back Exhaust for your Honda Civic Si at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2012-2015 Honda Civic Si

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