Bump......and be able to read those pesky CEL's that pop up from time to time. for those not familiar with this handy dandy pocket programmer, gains would look something like this Stage 1 91 Octane Stage 1 for Stock Vehicles. 91 octane fuel. +7% HP / +20% ft. lb. Stage 1 93 Octane Stage 1 for Stock Vehicles. 93 octane fuel. +9% HP / +20% ft. lb. Stage 2 91 Octane Stage 2 using 91 octane fuel. Requires turboback exhaust. +12% HP / +32% ft. lb. 1.18 Stage 2 93 Octane Stage 2 using 93 octane fuel. Requires turboback exhaust. +14% HP / +32% ft. lb.