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4-2-1 Ceramic Exhaust Header - 1PC - AHC6515

4-2-1 Ceramic Exhaust Header, One Piece

4-2-1 One-Piece Header Key Features:
• Every system is dyno-tested for maximum performance
• CAD-rendered, race-inspired 4-2-1 design emphasizes low and mid-range power for street/strip applications
• One-piece design improves ground clearance and reduces weight by eliminating middle flanges?significantly lighter than stock and two pounds lighter than two-piece systems!
• 100% 304 Stainless steel construction or mild steel with ceramic coating
• CNC mandrel bends with robotically-welded fittings deliver perfect fit
• CNC-machined and threaded flanges
• Equal length primary piping ensures optimum tuning of systems for more power across rpm range
• Unique merge collector ensures smooth exhaust gas flow and increases ground clearance
• All systems except RACE ONLY systems are C.A.R.B. exempt or pending C.A.R.B. exemption
• Includes comprehensive instructions and all necessary hardware



Eliminate Gas Flow Turbulence and Improve Ground Clearance!


Professional Installation is recommended.

4-2-1 Ceramic Exhaust Header - 1PC Fits:
• 2002-2005 Acura RSX
• 2002-2005 Honda Civic

Shipping Information

  • Item Requires Shipping
  • $28.99