In this video we experiment with tire pressures in a Subaru Impreza on a packed snow and ice surface. Starting with street pressure, we incrementally drop 5psi at a time and test the vehicle to see what tire pressures give the best performance. Produced by: Team O'Neil Rally School https://www.teamoneil.com/ Supported by: Optima Batteries https://www.optimabatteries.com/en-us Hawk Performance Brakes https://www.hawkperformance.com Ford Performance https://performance.ford.com Koni Shocks https://www.koni-na.com/en-US/NorthAm... Monster Energy https://www.monsterenergy.com AMSOIL https://www.amsoil.com/