EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number:D-660-38 DESCRIPTION The Accessport V3 is the world's best selling, most flexible ECU upgrade solution. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Upgrade forever with off-the-shelf (OTS) calibrations for most bolt-on modifications. It's the last engine management solution you'll ever need. COBB High Flow Filters are designed to permit very high flow rates, minimize restriction, maximize filtration and provide a long life filter. Using propriety woven cotton and metal mesh with a precision molded rubber base, the COBB High Flow Filter ensures that only clean air passes into your engine for maximum efficiency. Why not treat your car to fresh air with a COBB High Flow Filter and let it reward you with increased power, fuel economy and money savings! Includes:Accessport V3COBB High Flow FilterWHY? The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your Golf R or Audi S3. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Follow our staged upgrade path with pre-loaded Off The Shelf (OTS) maps or use custom mapping for any modification level. It's the last engine management solution you'll ever need. VW GOLF R / AUDI S3 (8V) ECU MAP NOTES & DYNO CHARTS FEATURES Stage 1 Power Package for Volkswagen (Mk7/Mk7.5) Golf R, Audi S3 (8V)Accessport V3COBB High Flow FilterIncreased Air Flow While Maintaining Filtering EfficiencyPre-OiledSupported by COBB Accessport OTS Maps