Skunk2 MegaPower R 70mm Catback Exhaust System (Coupe) — Fits 2006-2011 Honda Civic Si

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SKU: SKK413-05-5025
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Sale price$691.20 Regular price$699.95
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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 Skunk2 Racing

Skunk2 Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Skunk2 Racing lineup with fast shipping and expert fitment support — order with confidence.

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Skunk2 MegaPower R 70mm Catback Exhaust for Honda Civic Si Coupe

Maximize the power output of your 2006-2011 Honda Civic Si Coupe with the Skunk2 MegaPower R 70mm Catback Exhaust system. Engineered with over 15 years of racing development, this exhaust is specifically designed for high-compression, aggressive camshaft, and racing header setups, as well as mild turbocharged applications. The increased 70mm piping diameter allows your K20Z3 engine to breathe more efficiently, delivering substantial dyno-proven horsepower gains.

Premium Construction & Performance Advantages

The MegaPower R cat-back system is meticulously crafted for superior performance, durability, and a perfect fit:

  • High-Quality T-304 Stainless Steel: Ensures exceptional resistance to corrosion and heat.
  • Robotic TIG Welded: Guarantees strong, consistent, and reliable construction for long-term use.
  • CNC Mandrel Bending: Maintains a constant 70mm tubing diameter throughout, minimizing flow restrictions.
  • Optimized for High Flow: Larger diameter piping is ideal for engines requiring maximum exhaust evacuation for increased power.

Upgrade your Civic Si Coupe with the Skunk2 MegaPower R exhaust for a significant boost in power and an aggressive, race-inspired sound. Available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2011 Honda Civic Si

Product Details

Product Description
Part Numbers
Sizing & Fit

About Skunk2 Racing

Skunk2 Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Skunk2 Racing lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Skunk2 MegaPower R 70mm Catback Exhaust for Honda Civic Si Coupe

Maximize the power output of your 2006-2011 Honda Civic Si Coupe with the Skunk2 MegaPower R 70mm Catback Exhaust system. Engineered with over 15 years of racing development, this exhaust is specifically designed for high-compression, aggressive camshaft, and racing header setups, as well as mild turbocharged applications. The increased 70mm piping diameter allows your K20Z3 engine to breathe more efficiently, delivering substantial dyno-proven horsepower gains.

Premium Construction & Performance Advantages

The MegaPower R cat-back system is meticulously crafted for superior performance, durability, and a perfect fit:

  • High-Quality T-304 Stainless Steel: Ensures exceptional resistance to corrosion and heat.
  • Robotic TIG Welded: Guarantees strong, consistent, and reliable construction for long-term use.
  • CNC Mandrel Bending: Maintains a constant 70mm tubing diameter throughout, minimizing flow restrictions.
  • Optimized for High Flow: Larger diameter piping is ideal for engines requiring maximum exhaust evacuation for increased power.

Upgrade your Civic Si Coupe with the Skunk2 MegaPower R exhaust for a significant boost in power and an aggressive, race-inspired sound. Available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2011 Honda Civic Si

Product Details

Product Description

About Skunk2 Racing

Skunk2 Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Skunk2 Racing lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Skunk2 MegaPower R 70mm Catback Exhaust for Honda Civic Si Coupe

Maximize the power output of your 2006-2011 Honda Civic Si Coupe with the Skunk2 MegaPower R 70mm Catback Exhaust system. Engineered with over 15 years of racing development, this exhaust is specifically designed for high-compression, aggressive camshaft, and racing header setups, as well as mild turbocharged applications. The increased 70mm piping diameter allows your K20Z3 engine to breathe more efficiently, delivering substantial dyno-proven horsepower gains.

Premium Construction & Performance Advantages

The MegaPower R cat-back system is meticulously crafted for superior performance, durability, and a perfect fit:

  • High-Quality T-304 Stainless Steel: Ensures exceptional resistance to corrosion and heat.
  • Robotic TIG Welded: Guarantees strong, consistent, and reliable construction for long-term use.
  • CNC Mandrel Bending: Maintains a constant 70mm tubing diameter throughout, minimizing flow restrictions.
  • Optimized for High Flow: Larger diameter piping is ideal for engines requiring maximum exhaust evacuation for increased power.

Upgrade your Civic Si Coupe with the Skunk2 MegaPower R exhaust for a significant boost in power and an aggressive, race-inspired sound. Available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2011 Honda Civic Si

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