*Stock ECU Exhaust Flap
- All Mode & Exhaust Flap Closed Mode
- Revving - Exhaust Flap Closed
*Mar's ECU Exhaust Flap Tune
- Exhaust Flap Open Mode
- Revving - Sport, Sport + Mode Full Open Setting
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Негізгі бет 2023 Porsche 911 992 Carrera 4 GTS Mar's ECU Exhaust Flap Full Open Tune!
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