Fabspeed Porsche 991 GT3 / GT3 RS Sport Headers (2014-2016) Intakes Do not require an ECU

Do not require an ECU flash and will not cause a CEL

HJS German Imported HD 200-CELL CATALYSTS- Flows 90% of a straight pipe

These outlets are great for reducing the volume of your Fabspeed-equipped Boxster or Cayman at track and motorsports events

allowing the turbos to spool faster while ensuring maximum power is extracted through increased thermodynamic efficiency and flow

Special requests and tune file upgrades may be subject to additional fees

Fabspeed Porsche 991 GT3 / GT3 RS Sport Headers (2014-2016) Intakes Do not require an ECUDirect replacement for the restrictive OEM headers, offering improved power and throttle response throughout the RPM range. FEATURES: Fits all Porsche 991 GT3 GT3 RS vehicles 2014+ Includes German imported HJS 200 Cell Tri Metallic Sportcats Optimized for maximum performance with NO catalyst generated check engine light, guaranteed Saves 2 lbs from the rear of the vehicle CNC mandrel bent 1pc primary header tubes High velocity motorsports style merge