Porsche Carrera 991 S GIAC Performance ECU Software Upgrade 135i/335i most tuners will require upgraded

most tuners will require upgraded port injectors

5mm wheel spacers and (10) extended cone seat wheel bolts

Required longer bolts are not included

This direct-fit intercooler core is 42% larger than stock and meets our extensive quality control and pressure testing (up to 50psi)

– Mandrel-bent aluminum piping with black powder coating

Porsche Carrera 991 S GIAC Performance ECU Software Upgrade 135i/335i most tuners will require upgradedGIAC performance software helps you extract the maximum potential from your 991 Carrera S. Performance gains were measured at: 10 wheel horsepower and 12 wheel torque on 91 octane fuel Gains are as high as 20 wheel horsepower and 25 wheel torque at various areas in the powerband. Estimated crankshaft power output of 407 brake horsepower and 339 brake torque on 91 octane Additional performance gains will be observed with additional hardware such as an