| 2019 California EVAP tune descriptions: “R” designation = the turbo wastegate crack pressure must be adjusted for higher boost (see our video on how to do this here) Non “R” tunes do not require any wastegate adjustment. Tuning Stages: Stock Tune: 14 lbs of boost – 140 WHP Stage 1: For stock exhaust 15.5 lbs of boost – 91 Octane 154 WHP Stage 2: For slip on or full exhaust 16 lbs of boost – 91 Octane 157 WHP Stage 3: For slip on or full exhaust 17.5 lbs of boost – 93 Octane 159 WHP Stage 4R: For slip on or full exhaust 18.5 lbs of boost – 95 Octane (requires wastegate adjustment) 164 WHP Stage 5R: For slip on or full exhaust 18.5 lbs of boost – E85 (requires wastegate adjustment) 170 WHP |
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| 2019 California EVAP tune descriptions: “R” designation = the turbo wastegate crack pressure must be adjusted for higher boost (see our video on how to do this here) Non “R” tunes do not require any wastegate adjustment. Tuning Stages: Stock Tune: 14 lbs of boost – 140 WHP Stage 1: For stock exhaust 15.5 lbs of boost – 91 Octane 154 WHP Stage 2: For slip on or full exhaust 16 lbs of boost – 91 Octane 157 WHP Stage 3: For slip on or full exhaust 17.5 lbs of boost – 93 Octane 159 WHP Stage 4R: For slip on or full exhaust 18.5 lbs of boost – 95 Octane (requires wastegate adjustment) 164 WHP Stage 5R: For slip on or full exhaust 18.5 lbs of boost – E85 (requires wastegate adjustment) 170 WHP |
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