Fitment Information

• Honda Civic Si / SiR Hatchback 2.0L (2002, 2003, 2004, 2005) 
  
  • Chassis: EP3
  • Engine: 2.0L DOHC i-VTEC (K20A3)
  • Transmission: 5-speed manual (Y2M3)

Specs & Features

• Tip Option:
  • Dual Single-walled Rounded Tip
  • Dual 14mm Double-walled Rolled Tip
• Inlet / Outlet Diameter: 2.25" OD 
  
• Tip Diameter (IN): 4" OD
• Tip Finish: Polished 
• Material: Premium T-304 stainless steel for long-lasting strength and corrosion resistance.
  
• Mandrel Bends: CNC mandrel-bent piping ensures smooth airflow and maximum exhaust velocity.
  
• Construction: TIG-welded, CNC flanges deliver tight seals and durability under pressure.
  
• Sound: Deep, aggressive tone — throaty at throttle, smooth while cruising, no harsh rasp.
  
• Performance: Dyno-proven improved torque and throttle response. Aggressive deep and smooth tone while ensures smooth exhaust gas flow, increase engine output and efficiency.
  
• Design: JDM-inspired racing design built for both track performance and street use.
  
• Fitment: Includes gaskets and hardware for an easy, bolt-on or clamp-on installation.

Standard Warranty

All DNA Motoring products come with a 30-day limited manufacturer’s warranty covering defects in materials and workmanship under normal use. This warranty does not cover wear and tear, misuse, or improper installation.

⚠️ Extend Product Protection Recommended
To ensure peace of mind and protect your investment long-term, we strongly recommend purchasing an Extend product protection plan available during checkout. Extended coverage can offer added security & support beyond the standard 30-day warranty period.