Home / Make/Model/Year/Engine/Fuel / Porsche / 911 Carrera / 991 (2012-2014) 991 (2012-2014) Gift card $10000 out of 5 $1,000.00 Gift card $5000 out of 5 $500.00 Gift card $2000 out of 5 $200.00 GIAC Stage 1 Porsche 911 Carrera 991 ECU upgrade0 out of 5 $1,500.00