 EVT S2 580 Product Type: Power Kit Application: 997 Turbo Price:$ 7990  Our Stage II 580hp upgrade system is based on our Stage 1 kit with the addition of sport metal core catalysts and sport muffler from MillTek. After extensive dyno testing, our data showed nearly 8 PSI of backpressure in the OEM exhaust system. This tremendous backpressure causes severely high EGT’s which is a huge performance bottleneck. To build upon and produce safe power levels beyond our Stage 1 upgrade, Stage 2 incorporates a properly balanced low back pressure sport exhaust w/ OBDII compliant metal core catalysts. The reduction of backpressure substantially improves power and throttle response while reducing EGT’s by nearly 45 degrees Celsius. Dyno tests have confirmed that our well engineered exhaust systems offer substantial power gains. Power is increased by ~30-30 + HP/TQ over our S1 bring the power of the Stage 2 upgrade to 580 HP.  EVT S2 580 Includes: -EVOMSit ECU Tuning -EVOMS Boost Recirculation Valves (Pair) *Not Pictured -EVOMS 63.5 MM Sport Exhaust -High Flow Catalytic Converters Gains: HP Gain 91 Octane: 90 TQ Gain 91 Octane: 100 HP Gain 93 Octane: 110 TQ Gain 93 Octane: 100 HP Gain 100+ Octane: 115 TQ Gain 100+ Octane: 105 IST (Intelligent Switching Technology): IST is an OEM feature that is built into the factory ECU and allows for automatic switching of ignition timing maps based upon input received from other engine sensors. Available for certain EVOMSit performance programs, the EVOMSit IST programming incorporates this intelligence for true and safe flexible power without compromise. The EVOMSit ECU tuning utilizes the multiple OEM ignition tables in progressive stages, which can optimize safe performance based upon outside conditions and different octane fuels. The ECU automatically switches to the best-suited ignition map creating an automatic “race mode” if race fuel is utilized. This IST function is always active and will switch automatically without having to physically change anything. IST is far more intelligent than any manual switcher found in the market. The use of manual switchers can cause serious engine damage if accidentally switched to a “race mode” without having race fuel in the car. This manual type of switching technology physically locks the timing map and can over ride the ECU’s ability to protect itself if unfavorable conditions exist. This manual switching is archaic considering that OEM ECU has the ability to analyze conditions and switch timing maps automatically. EVOMSit with IST is the intelligent way to utilize ECU timing map switching. SP (Sport Pedal): All E-Gas (drive by wire) cars from model year 2000 and newer have an electronic throttle valve, which is controlled by the cars ECU. Available for certain EVOMSit performance programs, EVOMSit Sport Pedal™ (SP) feature changes the ratio of accelerator pedal movement verses opening of the throttle valve which will increase throttle response. By modifying these maps in the ECU calibration, throttle response is drastically improved and the “throttle delay” which is a common complaint among enthusiasts is eliminated. Certain cars contain an OEM “sport mode” which incorporates this same Sport Pedal™ feature. For these cars, we incorporate the OEM “sport mode” pedal calibration for the regular mode and further increase the responsiveness of the “sport mode” with our improved calibration.
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