4-1 Stainless Steel Racing Header for Acura RSX DC5 Honda Civic EP3

Unlock improved exhaust flow and a more aggressive driving experience with this 4-1 stainless steel racing header for the Acura RSX DC5 and Honda Civic EP3. Designed for the K20 platform, this performance exhaust manifold helps reduce back pressure and improve exhaust gas velocity for stronger throttle response and noticeable power gains.

Perfect for naturally aspirated street builds and track-focused setups looking for sharper high-RPM performance.

Features

• 4-1 racing header design
• Improves exhaust flow and engine response
• Supports horsepower and torque gains
• Manufactured from high-quality T-304 stainless steel
• TIG welded construction with CNC machined flanges
• Aggressive motorsport-inspired exhaust tone
• Includes gasket and fitting hardware

Compatible with:

• Acura RSX DC5 Base 2.0L 2002-2006
• Honda Civic EP3 2.0L K20

Designed for non-Type S K20 applications.

Performance Upgrade

The 4-1 design is built to maximise top-end performance by improving exhaust scavenging and reducing restriction through the system. Ideal for enthusiasts wanting a more responsive feel and a deeper exhaust note from their K-Series setup.

Built for Street and Track Use

Constructed from durable stainless steel for long-lasting reliability and resistance against heat and corrosion. A great upgrade for performance-focused builds, track cars, and modified K20 projects.

Professional installation recommended.