- 100% Brand New Items, Never Used Or Installed
- High Performance 1-Piece 4-1 Design Racing Header Manifold Kit
- CNC Machined T-304 Stainless Steel Piping And TIG Welded Steel Flanges
- Made By OEM Approved and ISO Certified Manufacturers With Materials That Meets Or Exceeds Strict OEM Requirements
- Increases High Flow Air, Instantly Gain 10 -15 Hp. / Tq.
- Inlet/Outlet: 1.65"/ 2.35"
- * O2 Simulators May Be Required If A CEL Is Triggered *
- * Not Intended For Street Applications, This Item Is Intended For Racing & Competition Purposes Only *
- No Installation Guides Are Included, We Highly Recommend Seeking Professional Installation
- 2002-2006 Acura RSX (Does Not Fit Type-S Model)
- 2002-2005 Honda Civic Si/SiR (EP3)
**For Models with 2.0L K20A3 I4 Engines Only**