CXRacing Performance Header For 89-99 Miata MX-5 NA 1.8L Equal Length Long Tube Equal Length and Long Tube Runner Design, Increases HP and Torque Especially Designed, Made for the Application Stated Fully Tested, Simple Easy Installation This Header Ends with 2.5" Vband Flange, It Does NOT Connect to Factory Exhaust Position, You Will Need to Modify or Fabricate the Rest of Your Existing Exhaust System This is CXRacing's Newest Products for the Application Stated Above. All Parts Are Developed from Ground Up in Our R&D Center in USA, Designed and Built for Improved Performance Gains, with Excellent Fitment and Easy Installation