These injectors flow 13% more the factory A3/MKV 2.0T FSI injectors. They bolt on with no modding and are the perfect upgrade to anyone going to a bigger turbo.
Complete your FSI K04 car with the help of the S3 injectors, to prevent the damages of running lean. If you're making your own K04 turbo kit for MK5 GTI, GLI, or B7 A4 then you'll need these S3 fuel injectors. Also requried is an upgraded high pressure fuel pump and upgraded software.