GIAC Stage 1 Plus adds horsepower, torque and more throttle response throughout the power band.
This calibration is compatible with vehicles that have no other upgrades to basic "bolt-ons".
OEM Horsepower and Torque
434 HP 406 Ft-Lbs
GIAC Pump Mode*
465 HP (91oct) 510 HP (93oct) 500 Ft-Lbs (91oct) 518 Ft-Lbs (93oct)
GIAC Race Mode**
HP and Torque figures are average engine estimates derived from wheel power and acceleration testing. * 91 (r+m)/2 or 95 RON fuel compatible. 93 (r+m)/2 or 98 RON equivalent fuel for optimum results. ** 104 RON fuel compatible. 109 RON equivalent fuel for optimum results.
GIAC PRODUCTS ARE INTENDED FOR CLOSED COURSE COMPETITION. UNLESS OTHERWISE NOTED THEY ARE "LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY." ( PER CARB ) Please read our important waranty and disclaimer notices for more information.