Skunk2 MegaPower R 70mm Catback Exhaust System — Fits 2002-2005 Honda Civic Si

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SKU: SKK413-05-5020
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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.

Watch in action

Skunk2 MegaPower R 70mm Catback Exhaust for Honda Civic Si

Unleash the full potential of your 2002-2005 Honda Civic Si with the Skunk2 MegaPower R 70mm Catback Exhaust system. Developed from over 15 years of racing experience, this exhaust is specifically designed for high-performance naturally aspirated engines with aggressive camshafts and racing headers, as well as mild turbocharged setups. The larger 70mm piping allows engines to breathe more efficiently, resulting in significant dyno-proven power gains.

Engineered for Maximum Flow & Durability

The MegaPower R cat-back system is built with precision and premium materials to ensure optimal performance and longevity:

  • Robust T-304 Stainless Steel: Provides excellent resistance to corrosion and high temperatures.
  • Robotic TIG Welds: Ensures consistent, strong, and reliable construction.
  • CNC Mandrel Bends: Maintains a constant 70mm tubing diameter throughout, minimizing restrictions and maximizing exhaust gas velocity.
  • Enhanced Exhaust Flow: Larger diameter piping is ideal for setups requiring superior exhaust evacuation.

Upgrade your Civic Si with the Skunk2 MegaPower R exhaust and experience a dramatic improvement in power and a more aggressive exhaust note. Find yours at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2002-2005 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

Unleash the full potential of your 2002-2005 Honda Civic Si with the Skunk2 MegaPower R 70mm Catback Exhaust system. Developed from over 15 years of racing experience, this exhaust is specifically designed for high-performance naturally aspirated engines with aggressive camshafts and racing headers, as well as mild turbocharged setups. The larger 70mm piping allows engines to breathe more efficiently, resulting in significant dyno-proven power gains.

Engineered for Maximum Flow & Durability

The MegaPower R cat-back system is built with precision and premium materials to ensure optimal performance and longevity:

  • Robust T-304 Stainless Steel: Provides excellent resistance to corrosion and high temperatures.
  • Robotic TIG Welds: Ensures consistent, strong, and reliable construction.
  • CNC Mandrel Bends: Maintains a constant 70mm tubing diameter throughout, minimizing restrictions and maximizing exhaust gas velocity.
  • Enhanced Exhaust Flow: Larger diameter piping is ideal for setups requiring superior exhaust evacuation.

Upgrade your Civic Si with the Skunk2 MegaPower R exhaust and experience a dramatic improvement in power and a more aggressive exhaust note. Find yours at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2002-2005 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

Unleash the full potential of your 2002-2005 Honda Civic Si with the Skunk2 MegaPower R 70mm Catback Exhaust system. Developed from over 15 years of racing experience, this exhaust is specifically designed for high-performance naturally aspirated engines with aggressive camshafts and racing headers, as well as mild turbocharged setups. The larger 70mm piping allows engines to breathe more efficiently, resulting in significant dyno-proven power gains.

Engineered for Maximum Flow & Durability

The MegaPower R cat-back system is built with precision and premium materials to ensure optimal performance and longevity:

  • Robust T-304 Stainless Steel: Provides excellent resistance to corrosion and high temperatures.
  • Robotic TIG Welds: Ensures consistent, strong, and reliable construction.
  • CNC Mandrel Bends: Maintains a constant 70mm tubing diameter throughout, minimizing restrictions and maximizing exhaust gas velocity.
  • Enhanced Exhaust Flow: Larger diameter piping is ideal for setups requiring superior exhaust evacuation.

Upgrade your Civic Si with the Skunk2 MegaPower R exhaust and experience a dramatic improvement in power and a more aggressive exhaust note. Find yours at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2002-2005 Honda Civic Si

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